402495405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{13147}}^1$

素因数の和:13325

約数の個数: 32

約数和(自身を含む): 698001024

約数和(自身を除く): 295505619

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 6123, 10205, 13147, 30615, 39441, 65735, 170911, 197205, 512733, 854555, 2064079, 2563665, 6192237, 10320395, 26833027, 30961185, 80499081, 134165135, 402495405]

約数ペア:

[(1, 402495405), (3, 134165135), (5, 80499081), (13, 30961185), (15, 26833027), (39, 10320395), (65, 6192237), (157, 2563665), (195, 2064079), (471, 854555), (785, 512733), (2041, 197205), (2355, 170911), (6123, 65735), (10205, 39441), (13147, 30615)]