291449457

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2274

約数の個数: 36

約数和(自身を含む): 461192940

約数和(自身を除く): 169743483

約数列:

[1, 3, 9, 13, 39, 89, 117, 169, 267, 507, 801, 1157, 1521, 2153, 3471, 6459, 10413, 15041, 19377, 27989, 45123, 83967, 135369, 191617, 251901, 363857, 574851, 1091571, 1724553, 2491021, 3274713, 7473063, 22419189, 32383273, 97149819, 291449457]

約数ペア:

[(1, 291449457), (3, 97149819), (9, 32383273), (13, 22419189), (39, 7473063), (89, 3274713), (117, 2491021), (169, 1724553), (267, 1091571), (507, 574851), (801, 363857), (1157, 251901), (1521, 191617), (2153, 135369), (3471, 83967), (6459, 45123), (10413, 27989), (15041, 19377)]