201999825

素因数分解:

$3^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 384829536

約数和(自身を除く): 182829711

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 243, 369, 405, 615, 675, 811, 1025, 1107, 1215, 1845, 2025, 2433, 3075, 3321, 4055, 5535, 6075, 7299, 9225, 9963, 12165, 16605, 20275, 21897, 27675, 33251, 36495, 49815, 60825, 65691, 83025, 99753, 109485, 166255, 182475, 197073, 249075, 299259, 328455, 498765, 547425, 831275, 897777, 985365, 1496295, 1642275, 2493825, 2693331, 4488885, 4926825, 7481475, 8079993, 13466655, 22444425, 40399965, 67333275, 201999825]

約数ペア:

[(1, 201999825), (3, 67333275), (5, 40399965), (9, 22444425), (15, 13466655), (25, 8079993), (27, 7481475), (41, 4926825), (45, 4488885), (75, 2693331), (81, 2493825), (123, 1642275), (135, 1496295), (205, 985365), (225, 897777), (243, 831275), (369, 547425), (405, 498765), (615, 328455), (675, 299259), (811, 249075), (1025, 197073), (1107, 182475), (1215, 166255), (1845, 109485), (2025, 99753), (2433, 83025), (3075, 65691), (3321, 60825), (4055, 49815), (5535, 36495), (6075, 33251), (7299, 27675), (9225, 21897), (9963, 20275), (12165, 16605)]