31069905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 51870720

約数和(自身を除く): 20800815

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 465, 545, 613, 1635, 1839, 3065, 3379, 9195, 10137, 16895, 19003, 50685, 57009, 66817, 95015, 200451, 285045, 334085, 1002255, 2071327, 6213981, 10356635, 31069905]

約数ペア:

[(1, 31069905), (3, 10356635), (5, 6213981), (15, 2071327), (31, 1002255), (93, 334085), (109, 285045), (155, 200451), (327, 95015), (465, 66817), (545, 57009), (613, 50685), (1635, 19003), (1839, 16895), (3065, 10137), (3379, 9195)]