1996995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 96

約数和(自身を含む): 4596480

約数和(自身を除く): 2599485

約数列:

[1, 3, 5, 7, 11, 13, 15, 19, 21, 33, 35, 39, 49, 55, 57, 65, 77, 91, 95, 105, 133, 143, 147, 165, 195, 209, 231, 245, 247, 273, 285, 385, 399, 429, 455, 539, 627, 637, 665, 715, 735, 741, 931, 1001, 1045, 1155, 1235, 1365, 1463, 1617, 1729, 1911, 1995, 2145, 2695, 2717, 2793, 3003, 3135, 3185, 3705, 4389, 4655, 5005, 5187, 7007, 7315, 8085, 8151, 8645, 9555, 10241, 12103, 13585, 13965, 15015, 19019, 21021, 21945, 25935, 30723, 35035, 36309, 40755, 51205, 57057, 60515, 95095, 105105, 133133, 153615, 181545, 285285, 399399, 665665, 1996995]

約数ペア:

[(1, 1996995), (3, 665665), (5, 399399), (7, 285285), (11, 181545), (13, 153615), (15, 133133), (19, 105105), (21, 95095), (33, 60515), (35, 57057), (39, 51205), (49, 40755), (55, 36309), (57, 35035), (65, 30723), (77, 25935), (91, 21945), (95, 21021), (105, 19019), (133, 15015), (143, 13965), (147, 13585), (165, 12103), (195, 10241), (209, 9555), (231, 8645), (245, 8151), (247, 8085), (273, 7315), (285, 7007), (385, 5187), (399, 5005), (429, 4655), (455, 4389), (539, 3705), (627, 3185), (637, 3135), (665, 3003), (715, 2793), (735, 2717), (741, 2695), (931, 2145), (1001, 1995), (1045, 1911), (1155, 1729), (1235, 1617), (1365, 1463)]