74804541

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 117562368

約数和(自身を除く): 42757827

約数列:

[1, 3, 7, 21, 41, 123, 283, 287, 307, 849, 861, 921, 1981, 2149, 5943, 6447, 11603, 12587, 34809, 37761, 81221, 86881, 88109, 243663, 260643, 264327, 608167, 1824501, 3562121, 10686363, 24934847, 74804541]

約数ペア:

[(1, 74804541), (3, 24934847), (7, 10686363), (21, 3562121), (41, 1824501), (123, 608167), (283, 264327), (287, 260643), (307, 243663), (849, 88109), (861, 86881), (921, 81221), (1981, 37761), (2149, 34809), (5943, 12587), (6447, 11603)]