280056567

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{5167}}^1$

素因数の和:5295

約数の個数: 32

約数和(自身を含む): 446515200

約数和(自身を除く): 166458633

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 609, 623, 1869, 2581, 5167, 7743, 15501, 18067, 36169, 54201, 108507, 149843, 449529, 459863, 1048901, 1379589, 3146703, 3219041, 9657123, 13336027, 40008081, 93352189, 280056567]

約数ペア:

[(1, 280056567), (3, 93352189), (7, 40008081), (21, 13336027), (29, 9657123), (87, 3219041), (89, 3146703), (203, 1379589), (267, 1048901), (609, 459863), (623, 449529), (1869, 149843), (2581, 108507), (5167, 54201), (7743, 36169), (15501, 18067)]