220176405

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 391647360

約数和(自身を除く): 171470955

約数列:

[1, 3, 5, 9, 15, 45, 67, 103, 201, 309, 335, 515, 603, 709, 927, 1005, 1545, 2127, 3015, 3545, 4635, 6381, 6901, 10635, 20703, 31905, 34505, 47503, 62109, 73027, 103515, 142509, 219081, 237515, 310545, 365135, 427527, 657243, 712545, 1095405, 2137635, 3286215, 4892809, 14678427, 24464045, 44035281, 73392135, 220176405]

約数ペア:

[(1, 220176405), (3, 73392135), (5, 44035281), (9, 24464045), (15, 14678427), (45, 4892809), (67, 3286215), (103, 2137635), (201, 1095405), (309, 712545), (335, 657243), (515, 427527), (603, 365135), (709, 310545), (927, 237515), (1005, 219081), (1545, 142509), (2127, 103515), (3015, 73027), (3545, 62109), (4635, 47503), (6381, 34505), (6901, 31905), (10635, 20703)]