138656025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 260189696

約数和(自身を除く): 121533671

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 103, 155, 193, 225, 279, 309, 465, 515, 579, 775, 927, 965, 1395, 1545, 1737, 2325, 2575, 2895, 3193, 4635, 4825, 5983, 6975, 7725, 8685, 9579, 14475, 15965, 17949, 19879, 23175, 28737, 29915, 43425, 47895, 53847, 59637, 79825, 89745, 99395, 143685, 149575, 178911, 239475, 269235, 298185, 448725, 496975, 616249, 718425, 894555, 1346175, 1490925, 1848747, 3081245, 4472775, 5546241, 9243735, 15406225, 27731205, 46218675, 138656025]

約数ペア:

[(1, 138656025), (3, 46218675), (5, 27731205), (9, 15406225), (15, 9243735), (25, 5546241), (31, 4472775), (45, 3081245), (75, 1848747), (93, 1490925), (103, 1346175), (155, 894555), (193, 718425), (225, 616249), (279, 496975), (309, 448725), (465, 298185), (515, 269235), (579, 239475), (775, 178911), (927, 149575), (965, 143685), (1395, 99395), (1545, 89745), (1737, 79825), (2325, 59637), (2575, 53847), (2895, 47895), (3193, 43425), (4635, 29915), (4825, 28737), (5983, 23175), (6975, 19879), (7725, 17949), (8685, 15965), (9579, 14475)]