23968425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 45020928

約数和(自身を除く): 21052503

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 61, 65, 75, 93, 155, 169, 183, 195, 305, 325, 403, 465, 507, 775, 793, 845, 915, 975, 1209, 1525, 1891, 2015, 2325, 2379, 2535, 3965, 4225, 4575, 5239, 5673, 6045, 9455, 10075, 10309, 11895, 12675, 15717, 19825, 24583, 26195, 28365, 30225, 30927, 47275, 51545, 59475, 73749, 78585, 122915, 130975, 141825, 154635, 257725, 319579, 368745, 392925, 614575, 773175, 958737, 1597895, 1843725, 4793685, 7989475, 23968425]

約数ペア:

[(1, 23968425), (3, 7989475), (5, 4793685), (13, 1843725), (15, 1597895), (25, 958737), (31, 773175), (39, 614575), (61, 392925), (65, 368745), (75, 319579), (93, 257725), (155, 154635), (169, 141825), (183, 130975), (195, 122915), (305, 78585), (325, 73749), (403, 59475), (465, 51545), (507, 47275), (775, 30927), (793, 30225), (845, 28365), (915, 26195), (975, 24583), (1209, 19825), (1525, 15717), (1891, 12675), (2015, 11895), (2325, 10309), (2379, 10075), (2535, 9455), (3965, 6045), (4225, 5673), (4575, 5239)]