402625281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 571253760

約数和(自身を除く): 168628479

約数列:

[1, 3, 23, 69, 83, 229, 249, 307, 687, 921, 1909, 5267, 5727, 7061, 15801, 19007, 21183, 25481, 57021, 70303, 76443, 210909, 437161, 586063, 1311483, 1616969, 1758189, 4850907, 5835149, 17505447, 134208427, 402625281]

約数ペア:

[(1, 402625281), (3, 134208427), (23, 17505447), (69, 5835149), (83, 4850907), (229, 1758189), (249, 1616969), (307, 1311483), (687, 586063), (921, 437161), (1909, 210909), (5267, 76443), (5727, 70303), (7061, 57021), (15801, 25481), (19007, 21183)]