152033721

素因数分解:

$3^1\times 7^4\times {\mathrm{21107}}^1$

素因数の和:21138

約数の個数: 20

約数和(自身を含む): 236494032

約数和(自身を除く): 84460311

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 21107, 63321, 147749, 443247, 1034243, 3102729, 7239701, 21719103, 50677907, 152033721]

約数ペア:

[(1, 152033721), (3, 50677907), (7, 21719103), (21, 7239701), (49, 3102729), (147, 1034243), (343, 443247), (1029, 147749), (2401, 63321), (7203, 21107)]