169621875

素因数分解:

$3^2\times 5^5\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 316448496

約数和(自身を除く): 146826621

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 125, 163, 185, 225, 333, 375, 489, 555, 625, 815, 925, 1125, 1467, 1665, 1875, 2445, 2775, 3125, 4075, 4625, 5625, 6031, 7335, 8325, 9375, 12225, 13875, 18093, 20375, 23125, 28125, 30155, 36675, 41625, 54279, 61125, 69375, 90465, 101875, 115625, 150775, 183375, 208125, 271395, 305625, 346875, 452325, 509375, 753875, 916875, 1040625, 1356975, 1528125, 2261625, 3769375, 4584375, 6784875, 11308125, 18846875, 33924375, 56540625, 169621875]

約数ペア:

[(1, 169621875), (3, 56540625), (5, 33924375), (9, 18846875), (15, 11308125), (25, 6784875), (37, 4584375), (45, 3769375), (75, 2261625), (111, 1528125), (125, 1356975), (163, 1040625), (185, 916875), (225, 753875), (333, 509375), (375, 452325), (489, 346875), (555, 305625), (625, 271395), (815, 208125), (925, 183375), (1125, 150775), (1467, 115625), (1665, 101875), (1875, 90465), (2445, 69375), (2775, 61125), (3125, 54279), (4075, 41625), (4625, 36675), (5625, 30155), (6031, 28125), (7335, 23125), (8325, 20375), (9375, 18093), (12225, 13875)]