51390975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 88565760

約数和(自身を除く): 37174785

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 239, 305, 705, 717, 915, 1175, 1195, 1525, 2867, 3525, 3585, 4575, 5975, 8601, 11233, 14335, 14579, 17925, 33699, 43005, 43737, 56165, 71675, 72895, 168495, 215025, 218685, 280825, 364475, 685213, 842475, 1093425, 2055639, 3426065, 10278195, 17130325, 51390975]

約数ペア:

[(1, 51390975), (3, 17130325), (5, 10278195), (15, 3426065), (25, 2055639), (47, 1093425), (61, 842475), (75, 685213), (141, 364475), (183, 280825), (235, 218685), (239, 215025), (305, 168495), (705, 72895), (717, 71675), (915, 56165), (1175, 43737), (1195, 43005), (1525, 33699), (2867, 17925), (3525, 14579), (3585, 14335), (4575, 11233), (5975, 8601)]