397729809

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{811}}^1\times {\mathrm{1879}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 595358400

約数和(自身を除く): 197628591

約数列:

[1, 3, 9, 29, 87, 261, 811, 1879, 2433, 5637, 7299, 16911, 23519, 54491, 70557, 163473, 211671, 490419, 1523869, 4571607, 13714821, 44192201, 132576603, 397729809]

約数ペア:

[(1, 397729809), (3, 132576603), (9, 44192201), (29, 13714821), (87, 4571607), (261, 1523869), (811, 490419), (1879, 211671), (2433, 163473), (5637, 70557), (7299, 54491), (16911, 23519)]