211679715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{1319}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 365460480

約数和(自身を除く): 153780765

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 823, 1319, 2469, 3957, 4115, 6595, 10699, 12345, 17147, 19785, 32097, 51441, 53495, 85735, 160485, 257205, 1085537, 3256611, 5427685, 14111981, 16283055, 42335943, 70559905, 211679715]

約数ペア:

[(1, 211679715), (3, 70559905), (5, 42335943), (13, 16283055), (15, 14111981), (39, 5427685), (65, 3256611), (195, 1085537), (823, 257205), (1319, 160485), (2469, 85735), (3957, 53495), (4115, 51441), (6595, 32097), (10699, 19785), (12345, 17147)]