131174421

素因数分解:

$3^1\times 7^2\times {\mathrm{743}}^1\times {\mathrm{1201}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 203897664

約数和(自身を除く): 72723243

約数列:

[1, 3, 7, 21, 49, 147, 743, 1201, 2229, 3603, 5201, 8407, 15603, 25221, 36407, 58849, 109221, 176547, 892343, 2677029, 6246401, 18739203, 43724807, 131174421]

約数ペア:

[(1, 131174421), (3, 43724807), (7, 18739203), (21, 6246401), (49, 2677029), (147, 892343), (743, 176547), (1201, 109221), (2229, 58849), (3603, 36407), (5201, 25221), (8407, 15603)]