391296825

素因数分解:

$3^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1637

約数の個数: 72

約数和(自身を含む): 745014816

約数和(自身を除く): 353717991

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 243, 369, 405, 615, 675, 1025, 1107, 1215, 1571, 1845, 2025, 3075, 3321, 4713, 5535, 6075, 7855, 9225, 9963, 14139, 16605, 23565, 27675, 39275, 42417, 49815, 64411, 70695, 83025, 117825, 127251, 193233, 212085, 249075, 322055, 353475, 381753, 579699, 636255, 966165, 1060425, 1610275, 1739097, 1908765, 2898495, 3181275, 4830825, 5217291, 8695485, 9543825, 14492475, 15651873, 26086455, 43477425, 78259365, 130432275, 391296825]

約数ペア:

[(1, 391296825), (3, 130432275), (5, 78259365), (9, 43477425), (15, 26086455), (25, 15651873), (27, 14492475), (41, 9543825), (45, 8695485), (75, 5217291), (81, 4830825), (123, 3181275), (135, 2898495), (205, 1908765), (225, 1739097), (243, 1610275), (369, 1060425), (405, 966165), (615, 636255), (675, 579699), (1025, 381753), (1107, 353475), (1215, 322055), (1571, 249075), (1845, 212085), (2025, 193233), (3075, 127251), (3321, 117825), (4713, 83025), (5535, 70695), (6075, 64411), (7855, 49815), (9225, 42417), (9963, 39275), (14139, 27675), (16605, 23565)]