74952225

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 140721152

約数和(自身を除く): 65768927

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 61, 75, 127, 129, 183, 215, 225, 305, 381, 387, 549, 635, 645, 915, 1075, 1143, 1525, 1905, 1935, 2623, 2745, 3175, 3225, 4575, 5461, 5715, 7747, 7869, 9525, 9675, 13115, 13725, 16383, 23241, 23607, 27305, 28575, 38735, 39345, 49149, 65575, 69723, 81915, 116205, 118035, 136525, 193675, 196725, 245745, 333121, 348615, 409575, 581025, 590175, 999363, 1228725, 1665605, 1743075, 2998089, 4996815, 8328025, 14990445, 24984075, 74952225]

約数ペア:

[(1, 74952225), (3, 24984075), (5, 14990445), (9, 8328025), (15, 4996815), (25, 2998089), (43, 1743075), (45, 1665605), (61, 1228725), (75, 999363), (127, 590175), (129, 581025), (183, 409575), (215, 348615), (225, 333121), (305, 245745), (381, 196725), (387, 193675), (549, 136525), (635, 118035), (645, 116205), (915, 81915), (1075, 69723), (1143, 65575), (1525, 49149), (1905, 39345), (1935, 38735), (2623, 28575), (2745, 27305), (3175, 23607), (3225, 23241), (4575, 16383), (5461, 13725), (5715, 13115), (7747, 9675), (7869, 9525)]