215580735

素因数分解:

$3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{5821}}^1$

素因数の和:6655

約数の個数: 24

約数和(自身を含む): 374191584

約数和(自身を除く): 158610849

約数列:

[1, 3, 5, 9, 15, 45, 823, 2469, 4115, 5821, 7407, 12345, 17463, 29105, 37035, 52389, 87315, 261945, 4790683, 14372049, 23953415, 43116147, 71860245, 215580735]

約数ペア:

[(1, 215580735), (3, 71860245), (5, 43116147), (9, 23953415), (15, 14372049), (45, 4790683), (823, 261945), (2469, 87315), (4115, 52389), (5821, 37035), (7407, 29105), (12345, 17463)]