172390215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{811}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 284368896

約数和(自身を除く): 111978681

約数列:

[1, 3, 5, 15, 37, 111, 185, 383, 555, 811, 1149, 1915, 2433, 4055, 5745, 12165, 14171, 30007, 42513, 70855, 90021, 150035, 212565, 310613, 450105, 931839, 1553065, 4659195, 11492681, 34478043, 57463405, 172390215]

約数ペア:

[(1, 172390215), (3, 57463405), (5, 34478043), (15, 11492681), (37, 4659195), (111, 1553065), (185, 931839), (383, 450105), (555, 310613), (811, 212565), (1149, 150035), (1915, 90021), (2433, 70855), (4055, 42513), (5745, 30007), (12165, 14171)]