7213731

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 11556864

約数和(自身を除く): 4343133

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 1583, 4557, 4749, 11081, 33243, 49073, 77567, 147219, 232701, 343511, 1030533, 2404577, 7213731]

約数ペア:

[(1, 7213731), (3, 2404577), (7, 1030533), (21, 343511), (31, 232701), (49, 147219), (93, 77567), (147, 49073), (217, 33243), (651, 11081), (1519, 4749), (1583, 4557)]