81489402

素因数分解:

$2^1\times 3^4\times {\mathrm{661}}^1\times {\mathrm{761}}^1$

素因数の和:1436

約数の個数: 40

約数和(自身を含む): 183113172

約数和(自身を除く): 101623770

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 661, 761, 1322, 1522, 1983, 2283, 3966, 4566, 5949, 6849, 11898, 13698, 17847, 20547, 35694, 41094, 53541, 61641, 107082, 123282, 503021, 1006042, 1509063, 3018126, 4527189, 9054378, 13581567, 27163134, 40744701, 81489402]

約数ペア:

[(1, 81489402), (2, 40744701), (3, 27163134), (6, 13581567), (9, 9054378), (18, 4527189), (27, 3018126), (54, 1509063), (81, 1006042), (162, 503021), (661, 123282), (761, 107082), (1322, 61641), (1522, 53541), (1983, 41094), (2283, 35694), (3966, 20547), (4566, 17847), (5949, 13698), (6849, 11898)]