311906931

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 483993600

約数和(自身を除く): 172086669

約数列:

[1, 3, 7, 21, 79, 229, 237, 553, 687, 821, 1603, 1659, 2463, 4809, 5747, 17241, 18091, 54273, 64859, 126637, 188009, 194577, 379911, 454013, 564027, 1316063, 1362039, 3948189, 14852711, 44558133, 103968977, 311906931]

約数ペア:

[(1, 311906931), (3, 103968977), (7, 44558133), (21, 14852711), (79, 3948189), (229, 1362039), (237, 1316063), (553, 564027), (687, 454013), (821, 379911), (1603, 194577), (1659, 188009), (2463, 126637), (4809, 64859), (5747, 54273), (17241, 18091)]