201640665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{327871}}^1$

素因数の和:327920

約数の個数: 16

約数和(自身を含む): 330494976

約数和(自身を除く): 128854311

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 327871, 983613, 1639355, 4918065, 13442711, 40328133, 67213555, 201640665]

約数ペア:

[(1, 201640665), (3, 67213555), (5, 40328133), (15, 13442711), (41, 4918065), (123, 1639355), (205, 983613), (615, 327871)]