664458417

素因数分解:

$3^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{7219}}^1$

素因数の和:7722

約数の個数: 32

約数和(自身を含む): 1127475200

約数和(自身を除く): 463016783

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 487, 1461, 3409, 4383, 7219, 10227, 13149, 21657, 30681, 50533, 64971, 92043, 151599, 194913, 454797, 1364391, 3515653, 10546959, 24609571, 31640877, 73828713, 94922631, 221486139, 664458417]

約数ペア:

[(1, 664458417), (3, 221486139), (7, 94922631), (9, 73828713), (21, 31640877), (27, 24609571), (63, 10546959), (189, 3515653), (487, 1364391), (1461, 454797), (3409, 194913), (4383, 151599), (7219, 92043), (10227, 64971), (13149, 50533), (21657, 30681)]