638449917

素因数分解:

$3^1\times 7^1\times {\mathrm{4993}}^1\times {\mathrm{6089}}^1$

素因数の和:11092

約数の個数: 16

約数和(自身を含む): 973230720

約数和(自身を除く): 334780803

約数列:

[1, 3, 7, 21, 4993, 6089, 14979, 18267, 34951, 42623, 104853, 127869, 30402377, 91207131, 212816639, 638449917]

約数ペア:

[(1, 638449917), (3, 212816639), (7, 91207131), (21, 30402377), (4993, 127869), (6089, 104853), (14979, 42623), (18267, 34951)]