31328037

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 50244480

約数和(自身を除く): 18916443

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 479, 507, 559, 1437, 1521, 1677, 4311, 5031, 6227, 7267, 18681, 20597, 21801, 56043, 61791, 65403, 80951, 185373, 242853, 267761, 728559, 803283, 2409849, 3480893, 10442679, 31328037]

約数ペア:

[(1, 31328037), (3, 10442679), (9, 3480893), (13, 2409849), (39, 803283), (43, 728559), (117, 267761), (129, 242853), (169, 185373), (387, 80951), (479, 65403), (507, 61791), (559, 56043), (1437, 21801), (1521, 20597), (1677, 18681), (4311, 7267), (5031, 6227)]