404504145

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21871}}^1$

素因数の和:22022

約数の個数: 32

約数和(自身を含む): 724400640

約数和(自身を除く): 319896495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 6165, 18495, 21871, 65613, 109355, 196839, 328065, 590517, 984195, 2952585, 2996327, 8988981, 14981635, 26966943, 44944905, 80900829, 134834715, 404504145]

約数ペア:

[(1, 404504145), (3, 134834715), (5, 80900829), (9, 44944905), (15, 26966943), (27, 14981635), (45, 8988981), (135, 2996327), (137, 2952585), (411, 984195), (685, 590517), (1233, 328065), (2055, 196839), (3699, 109355), (6165, 65613), (18495, 21871)]