419997417

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 650772480

約数和(自身を除く): 230775063

約数列:

[1, 3, 7, 21, 79, 237, 383, 553, 661, 1149, 1659, 1983, 2681, 4627, 8043, 13881, 30257, 52219, 90771, 156657, 211799, 253163, 365533, 635397, 759489, 1096599, 1772141, 5316423, 19999877, 59999631, 139999139, 419997417]

約数ペア:

[(1, 419997417), (3, 139999139), (7, 59999631), (21, 19999877), (79, 5316423), (237, 1772141), (383, 1096599), (553, 759489), (661, 635397), (1149, 365533), (1659, 253163), (1983, 211799), (2681, 156657), (4627, 90771), (8043, 52219), (13881, 30257)]