12817725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 22617600

約数和(自身を除く): 9799875

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 149, 155, 185, 447, 465, 555, 745, 775, 925, 1147, 2235, 2325, 2775, 3441, 3725, 4619, 5513, 5735, 11175, 13857, 16539, 17205, 23095, 27565, 28675, 69285, 82695, 86025, 115475, 137825, 170903, 346425, 413475, 512709, 854515, 2563545, 4272575, 12817725]

約数ペア:

[(1, 12817725), (3, 4272575), (5, 2563545), (15, 854515), (25, 512709), (31, 413475), (37, 346425), (75, 170903), (93, 137825), (111, 115475), (149, 86025), (155, 82695), (185, 69285), (447, 28675), (465, 27565), (555, 23095), (745, 17205), (775, 16539), (925, 13857), (1147, 11175), (2235, 5735), (2325, 5513), (2775, 4619), (3441, 3725)]