13555975

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 17498880

約数和(自身を除く): 3942905

約数列:

[1, 5, 25, 47, 83, 139, 235, 415, 695, 1175, 2075, 3475, 3901, 6533, 11537, 19505, 32665, 57685, 97525, 163325, 288425, 542239, 2711195, 13555975]

約数ペア:

[(1, 13555975), (5, 2711195), (25, 542239), (47, 288425), (83, 163325), (139, 97525), (235, 57685), (415, 32665), (695, 19505), (1175, 11537), (2075, 6533), (3475, 3901)]