7143405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 11987328

約数和(自身を除く): 4843923

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 211, 305, 555, 633, 915, 1055, 2257, 3165, 6771, 7807, 11285, 12871, 23421, 33855, 38613, 39035, 64355, 117105, 193065, 476227, 1428681, 2381135, 7143405]

約数ペア:

[(1, 7143405), (3, 2381135), (5, 1428681), (15, 476227), (37, 193065), (61, 117105), (111, 64355), (183, 39035), (185, 38613), (211, 33855), (305, 23421), (555, 12871), (633, 11285), (915, 7807), (1055, 6771), (2257, 3165)]