1984125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 64

約数和(自身を含む): 3983616

約数和(自身を除く): 1999491

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 37, 39, 55, 65, 75, 111, 125, 143, 165, 185, 195, 275, 325, 375, 407, 429, 481, 555, 715, 825, 925, 975, 1221, 1375, 1443, 1625, 2035, 2145, 2405, 2775, 3575, 4125, 4625, 4875, 5291, 6105, 7215, 10175, 10725, 12025, 13875, 15873, 17875, 26455, 30525, 36075, 50875, 53625, 60125, 79365, 132275, 152625, 180375, 396825, 661375, 1984125]

約数ペア:

[(1, 1984125), (3, 661375), (5, 396825), (11, 180375), (13, 152625), (15, 132275), (25, 79365), (33, 60125), (37, 53625), (39, 50875), (55, 36075), (65, 30525), (75, 26455), (111, 17875), (125, 15873), (143, 13875), (165, 12025), (185, 10725), (195, 10175), (275, 7215), (325, 6105), (375, 5291), (407, 4875), (429, 4625), (481, 4125), (555, 3575), (715, 2775), (825, 2405), (925, 2145), (975, 2035), (1221, 1625), (1375, 1443)]