27123345

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 49153104

約数和(自身を除く): 22029759

約数列:

[1, 3, 5, 9, 15, 41, 45, 61, 123, 183, 205, 241, 305, 369, 549, 615, 723, 915, 1205, 1845, 2169, 2501, 2745, 3615, 7503, 9881, 10845, 12505, 14701, 22509, 29643, 37515, 44103, 49405, 73505, 88929, 112545, 132309, 148215, 220515, 444645, 602741, 661545, 1808223, 3013705, 5424669, 9041115, 27123345]

約数ペア:

[(1, 27123345), (3, 9041115), (5, 5424669), (9, 3013705), (15, 1808223), (41, 661545), (45, 602741), (61, 444645), (123, 220515), (183, 148215), (205, 132309), (241, 112545), (305, 88929), (369, 73505), (549, 49405), (615, 44103), (723, 37515), (915, 29643), (1205, 22509), (1845, 14701), (2169, 12505), (2501, 10845), (2745, 9881), (3615, 7503)]