2001231375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 3977745408

約数和(自身を除く): 1976514033

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 67, 75, 125, 143, 165, 195, 201, 275, 325, 335, 375, 429, 557, 715, 737, 825, 871, 975, 1005, 1375, 1625, 1671, 1675, 2145, 2211, 2613, 2785, 3575, 3685, 4125, 4355, 4875, 5025, 6127, 7241, 8355, 8375, 9581, 10725, 11055, 13065, 13925, 17875, 18381, 18425, 21723, 21775, 25125, 28743, 30635, 36205, 37319, 41775, 47905, 53625, 55275, 65325, 69625, 79651, 91905, 92125, 108615, 108875, 111957, 143715, 153175, 181025, 186595, 208875, 238953, 239525, 276375, 326625, 398255, 410509, 459525, 485147, 543075, 559785, 718575, 765875, 905125, 932975, 1194765, 1197625, 1231527, 1455441, 1991275, 2052545, 2297625, 2425735, 2715375, 2798925, 3592875, 4664875, 5336617, 5973825, 6157635, 7277205, 9956375, 10262725, 12128675, 13994625, 16009851, 26683085, 29869125, 30788175, 36386025, 51313625, 60643375, 80049255, 133415425, 153940875, 181930125, 400246275, 667077125, 2001231375]

約数ペア:

[(1, 2001231375), (3, 667077125), (5, 400246275), (11, 181930125), (13, 153940875), (15, 133415425), (25, 80049255), (33, 60643375), (39, 51313625), (55, 36386025), (65, 30788175), (67, 29869125), (75, 26683085), (125, 16009851), (143, 13994625), (165, 12128675), (195, 10262725), (201, 9956375), (275, 7277205), (325, 6157635), (335, 5973825), (375, 5336617), (429, 4664875), (557, 3592875), (715, 2798925), (737, 2715375), (825, 2425735), (871, 2297625), (975, 2052545), (1005, 1991275), (1375, 1455441), (1625, 1231527), (1671, 1197625), (1675, 1194765), (2145, 932975), (2211, 905125), (2613, 765875), (2785, 718575), (3575, 559785), (3685, 543075), (4125, 485147), (4355, 459525), (4875, 410509), (5025, 398255), (6127, 326625), (7241, 276375), (8355, 239525), (8375, 238953), (9581, 208875), (10725, 186595), (11055, 181025), (13065, 153175), (13925, 143715), (17875, 111957), (18381, 108875), (18425, 108615), (21723, 92125), (21775, 91905), (25125, 79651), (28743, 69625), (30635, 65325), (36205, 55275), (37319, 53625), (41775, 47905)]