201815313

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1237}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 326594304

約数和(自身を除く): 124778991

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 457, 1237, 1371, 3199, 3711, 7769, 8659, 9597, 21029, 23307, 25977, 54383, 63087, 147203, 163149, 441609, 565309, 1695927, 3957163, 9610253, 11871489, 28830759, 67271771, 201815313]

約数ペア:

[(1, 201815313), (3, 67271771), (7, 28830759), (17, 11871489), (21, 9610253), (51, 3957163), (119, 1695927), (357, 565309), (457, 441609), (1237, 163149), (1371, 147203), (3199, 63087), (3711, 54383), (7769, 25977), (8659, 23307), (9597, 21029)]