388680975

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{11003}}^1$

素因数の和:11176

約数の個数: 36

約数和(自身を含む): 700668696

約数和(自身を除く): 311987721

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 1413, 2355, 3925, 7065, 11003, 11775, 33009, 35325, 55015, 99027, 165045, 275075, 495135, 825225, 1727471, 2475675, 5182413, 8637355, 15547239, 25912065, 43186775, 77736195, 129560325, 388680975]

約数ペア:

[(1, 388680975), (3, 129560325), (5, 77736195), (9, 43186775), (15, 25912065), (25, 15547239), (45, 8637355), (75, 5182413), (157, 2475675), (225, 1727471), (471, 825225), (785, 495135), (1413, 275075), (2355, 165045), (3925, 99027), (7065, 55015), (11003, 35325), (11775, 33009)]