72850015

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{17491}}^1$

素因数の和:17527

約数の個数: 24

約数和(自身を含む): 107680752

約数和(自身を除く): 34830737

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 17491, 87455, 122437, 297347, 612185, 857059, 1486735, 2081429, 4285295, 10407145, 14570003, 72850015]

約数ペア:

[(1, 72850015), (5, 14570003), (7, 10407145), (17, 4285295), (35, 2081429), (49, 1486735), (85, 857059), (119, 612185), (245, 297347), (595, 122437), (833, 87455), (4165, 17491)]