200620605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 339869376

約数和(自身を除く): 139248771

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 193, 345, 393, 529, 579, 655, 965, 1587, 1965, 2645, 2895, 3013, 4439, 7935, 9039, 13317, 15065, 22195, 25283, 45195, 66585, 69299, 75849, 102097, 126415, 207897, 306291, 346495, 379245, 510485, 581509, 1039485, 1531455, 1744527, 2907545, 8722635, 13374707, 40124121, 66873535, 200620605]

約数ペア:

[(1, 200620605), (3, 66873535), (5, 40124121), (15, 13374707), (23, 8722635), (69, 2907545), (115, 1744527), (131, 1531455), (193, 1039485), (345, 581509), (393, 510485), (529, 379245), (579, 346495), (655, 306291), (965, 207897), (1587, 126415), (1965, 102097), (2645, 75849), (2895, 69299), (3013, 66585), (4439, 45195), (7935, 25283), (9039, 22195), (13317, 15065)]