74680785

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1901}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 135323496

約数和(自身を除く): 60642711

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 873, 1455, 1901, 2619, 4365, 5703, 7857, 9505, 13095, 17109, 28515, 39285, 51327, 85545, 153981, 184397, 256635, 553191, 769905, 921985, 1659573, 2765955, 4978719, 8297865, 14936157, 24893595, 74680785]

約数ペア:

[(1, 74680785), (3, 24893595), (5, 14936157), (9, 8297865), (15, 4978719), (27, 2765955), (45, 1659573), (81, 921985), (97, 769905), (135, 553191), (291, 256635), (405, 184397), (485, 153981), (873, 85545), (1455, 51327), (1901, 39285), (2619, 28515), (4365, 17109), (5703, 13095), (7857, 9505)]