27961225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 36227840

約数和(自身を除く): 8266615

約数列:

[1, 5, 25, 31, 109, 155, 331, 545, 775, 1655, 2725, 3379, 8275, 10261, 16895, 36079, 51305, 84475, 180395, 256525, 901975, 1118449, 5592245, 27961225]

約数ペア:

[(1, 27961225), (5, 5592245), (25, 1118449), (31, 901975), (109, 256525), (155, 180395), (331, 84475), (545, 51305), (775, 36079), (1655, 16895), (2725, 10261), (3379, 8275)]