81381132

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107647}}^1$

素因数の和:107667

約数の個数: 48

約数和(自身を含む): 241131520

約数和(自身を除く): 159750388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107647, 215294, 322941, 430588, 645882, 753529, 968823, 1291764, 1507058, 1937646, 2260587, 2906469, 3014116, 3875292, 4521174, 5812938, 6781761, 9042348, 11625876, 13563522, 20345283, 27127044, 40690566, 81381132]

約数ペア:

[(1, 81381132), (2, 40690566), (3, 27127044), (4, 20345283), (6, 13563522), (7, 11625876), (9, 9042348), (12, 6781761), (14, 5812938), (18, 4521174), (21, 3875292), (27, 3014116), (28, 2906469), (36, 2260587), (42, 1937646), (54, 1507058), (63, 1291764), (84, 968823), (108, 753529), (126, 645882), (189, 430588), (252, 322941), (378, 215294), (756, 107647)]