16644225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 30400832

約数和(自身を除く): 13756607

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 397, 559, 645, 975, 1075, 1191, 1677, 1985, 2795, 3225, 5161, 5955, 8385, 9925, 13975, 15483, 17071, 25805, 29775, 41925, 51213, 77415, 85355, 129025, 221923, 256065, 387075, 426775, 665769, 1109615, 1280325, 3328845, 5548075, 16644225]

約数ペア:

[(1, 16644225), (3, 5548075), (5, 3328845), (13, 1280325), (15, 1109615), (25, 665769), (39, 426775), (43, 387075), (65, 256065), (75, 221923), (129, 129025), (195, 85355), (215, 77415), (325, 51213), (397, 41925), (559, 29775), (645, 25805), (975, 17071), (1075, 15483), (1191, 13975), (1677, 9925), (1985, 8385), (2795, 5955), (3225, 5161)]