73873989

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 126896640

約数和(自身を除く): 53022651

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 141, 183, 329, 409, 423, 427, 549, 987, 1227, 1281, 2863, 2867, 2961, 3681, 3843, 8589, 8601, 19223, 20069, 24949, 25767, 25803, 57669, 60207, 74847, 134561, 173007, 174643, 180621, 224541, 403683, 523929, 1172603, 1211049, 1571787, 3517809, 8208221, 10553427, 24624663, 73873989]

約数ペア:

[(1, 73873989), (3, 24624663), (7, 10553427), (9, 8208221), (21, 3517809), (47, 1571787), (61, 1211049), (63, 1172603), (141, 523929), (183, 403683), (329, 224541), (409, 180621), (423, 174643), (427, 173007), (549, 134561), (987, 74847), (1227, 60207), (1281, 57669), (2863, 25803), (2867, 25767), (2961, 24949), (3681, 20069), (3843, 19223), (8589, 8601)]