7750917

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 12528000

約数和(自身を除く): 4777083

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 521, 551, 783, 1563, 1653, 4689, 4959, 9899, 14067, 14877, 15109, 29697, 45327, 89091, 135981, 267273, 287071, 407943, 861213, 2583639, 7750917]

約数ペア:

[(1, 7750917), (3, 2583639), (9, 861213), (19, 407943), (27, 287071), (29, 267273), (57, 135981), (87, 89091), (171, 45327), (261, 29697), (513, 15109), (521, 14877), (551, 14067), (783, 9899), (1563, 4959), (1653, 4689)]