156744639

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{3389}}^1$

素因数の和:3972

約数の個数: 20

約数和(自身を含む): 234628680

約数和(自身を除く): 77884041

約数列:

[1, 3, 9, 27, 81, 571, 1713, 3389, 5139, 10167, 15417, 30501, 46251, 91503, 274509, 1935119, 5805357, 17416071, 52248213, 156744639]

約数ペア:

[(1, 156744639), (3, 52248213), (9, 17416071), (27, 5805357), (81, 1935119), (571, 274509), (1713, 91503), (3389, 46251), (5139, 30501), (10167, 15417)]