81756738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648863}}^1$

素因数の和:648878

約数の個数: 24

約数和(自身を含む): 202445568

約数和(自身を除く): 120688830

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648863, 1297726, 1946589, 3893178, 4542041, 5839767, 9084082, 11679534, 13626123, 27252246, 40878369, 81756738]

約数ペア:

[(1, 81756738), (2, 40878369), (3, 27252246), (6, 13626123), (7, 11679534), (9, 9084082), (14, 5839767), (18, 4542041), (21, 3893178), (42, 1946589), (63, 1297726), (126, 648863)]