72470727

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1249}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 123200000

約数和(自身を除く): 50729273

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 921, 1249, 2149, 2763, 3747, 6447, 8289, 8743, 11241, 19341, 26229, 33723, 58023, 78687, 236061, 383443, 1150329, 2684101, 3450987, 8052303, 10352961, 24156909, 72470727]

約数ペア:

[(1, 72470727), (3, 24156909), (7, 10352961), (9, 8052303), (21, 3450987), (27, 2684101), (63, 1150329), (189, 383443), (307, 236061), (921, 78687), (1249, 58023), (2149, 33723), (2763, 26229), (3747, 19341), (6447, 11241), (8289, 8743)]