49087725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 85899264

約数和(自身を除く): 36811539

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 491, 645, 775, 1075, 1333, 1473, 2325, 2455, 3225, 3999, 6665, 7365, 12275, 15221, 19995, 21113, 33325, 36825, 45663, 63339, 76105, 99975, 105565, 228315, 316695, 380525, 527825, 654503, 1141575, 1583475, 1963509, 3272515, 9817545, 16362575, 49087725]

約数ペア:

[(1, 49087725), (3, 16362575), (5, 9817545), (15, 3272515), (25, 1963509), (31, 1583475), (43, 1141575), (75, 654503), (93, 527825), (129, 380525), (155, 316695), (215, 228315), (465, 105565), (491, 99975), (645, 76105), (775, 63339), (1075, 45663), (1333, 36825), (1473, 33325), (2325, 21113), (2455, 19995), (3225, 15221), (3999, 12275), (6665, 7365)]