401027907

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{19913}}^1$

素因数の和:20067

約数の個数: 24

約数和(自身を含む): 626574096

約数和(自身を除く): 225546189

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 19913, 20139, 59739, 139391, 418173, 975737, 2728081, 2927211, 8184243, 19096567, 57289701, 133675969, 401027907]

約数ペア:

[(1, 401027907), (3, 133675969), (7, 57289701), (21, 19096567), (49, 8184243), (137, 2927211), (147, 2728081), (411, 975737), (959, 418173), (2877, 139391), (6713, 59739), (19913, 20139)]