31456425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 38539095

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 273, 275, 325, 385, 419, 429, 455, 525, 715, 825, 975, 1001, 1155, 1257, 1365, 1925, 2095, 2145, 2275, 2933, 3003, 3575, 4609, 5005, 5447, 5775, 6285, 6825, 8799, 10475, 10725, 13827, 14665, 15015, 16341, 23045, 25025, 27235, 31425, 32263, 38129, 43995, 59917, 69135, 73325, 75075, 81705, 96789, 114387, 115225, 136175, 161315, 179751, 190645, 219975, 299585, 345675, 408525, 419419, 483945, 571935, 806575, 898755, 953225, 1258257, 1497925, 2097095, 2419725, 2859675, 4493775, 6291285, 10485475, 31456425]

約数ペア:

[(1, 31456425), (3, 10485475), (5, 6291285), (7, 4493775), (11, 2859675), (13, 2419725), (15, 2097095), (21, 1497925), (25, 1258257), (33, 953225), (35, 898755), (39, 806575), (55, 571935), (65, 483945), (75, 419419), (77, 408525), (91, 345675), (105, 299585), (143, 219975), (165, 190645), (175, 179751), (195, 161315), (231, 136175), (273, 115225), (275, 114387), (325, 96789), (385, 81705), (419, 75075), (429, 73325), (455, 69135), (525, 59917), (715, 43995), (825, 38129), (975, 32263), (1001, 31425), (1155, 27235), (1257, 25025), (1365, 23045), (1925, 16341), (2095, 15015), (2145, 14665), (2275, 13827), (2933, 10725), (3003, 10475), (3575, 8799), (4609, 6825), (5005, 6285), (5447, 5775)]