281381859

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 453682944

約数和(自身を除く): 172301085

約数列:

[1, 3, 9, 11, 33, 99, 101, 107, 263, 303, 321, 789, 909, 963, 1111, 1177, 2367, 2893, 3333, 3531, 8679, 9999, 10593, 10807, 26037, 26563, 28141, 32421, 79689, 84423, 97263, 118877, 239067, 253269, 292193, 309551, 356631, 876579, 928653, 1069893, 2629737, 2785959, 2842241, 8526723, 25580169, 31264651, 93793953, 281381859]

約数ペア:

[(1, 281381859), (3, 93793953), (9, 31264651), (11, 25580169), (33, 8526723), (99, 2842241), (101, 2785959), (107, 2629737), (263, 1069893), (303, 928653), (321, 876579), (789, 356631), (909, 309551), (963, 292193), (1111, 253269), (1177, 239067), (2367, 118877), (2893, 97263), (3333, 84423), (3531, 79689), (8679, 32421), (9999, 28141), (10593, 26563), (10807, 26037)]