81219474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{644599}}^1$

素因数の和:644614

約数の個数: 24

約数和(自身を含む): 201115200

約数和(自身を除く): 119895726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 644599, 1289198, 1933797, 3867594, 4512193, 5801391, 9024386, 11602782, 13536579, 27073158, 40609737, 81219474]

約数ペア:

[(1, 81219474), (2, 40609737), (3, 27073158), (6, 13536579), (7, 11602782), (9, 9024386), (14, 5801391), (18, 4512193), (21, 3867594), (42, 1933797), (63, 1289198), (126, 644599)]