207915075

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{19661}}^1$

素因数の和:19724

約数の個数: 36

約数和(自身を含む): 380341728

約数和(自身を除く): 172426653

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 10575, 19661, 58983, 98305, 176949, 294915, 491525, 884745, 924067, 1474575, 2772201, 4423725, 4620335, 8316603, 13861005, 23101675, 41583015, 69305025, 207915075]

約数ペア:

[(1, 207915075), (3, 69305025), (5, 41583015), (9, 23101675), (15, 13861005), (25, 8316603), (45, 4620335), (47, 4423725), (75, 2772201), (141, 1474575), (225, 924067), (235, 884745), (423, 491525), (705, 294915), (1175, 176949), (2115, 98305), (3525, 58983), (10575, 19661)]