71380275

素因数分解:

$3^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{1471}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 118278144

約数和(自身を除く): 46897869

約数列:

[1, 3, 5, 15, 25, 75, 647, 1471, 1941, 3235, 4413, 7355, 9705, 16175, 22065, 36775, 48525, 110325, 951737, 2855211, 4758685, 14276055, 23793425, 71380275]

約数ペア:

[(1, 71380275), (3, 23793425), (5, 14276055), (15, 4758685), (25, 2855211), (75, 951737), (647, 110325), (1471, 48525), (1941, 36775), (3235, 22065), (4413, 16175), (7355, 9705)]