219180143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 286809600

約数和(自身を除く): 67629457

約数列:

[1, 7, 13, 19, 91, 109, 133, 247, 763, 1163, 1417, 1729, 2071, 8141, 9919, 14497, 15119, 22097, 26923, 105833, 126767, 154679, 188461, 287261, 887369, 1647971, 2010827, 2408573, 11535797, 16860011, 31311449, 219180143]

約数ペア:

[(1, 219180143), (7, 31311449), (13, 16860011), (19, 11535797), (91, 2408573), (109, 2010827), (133, 1647971), (247, 887369), (763, 287261), (1163, 188461), (1417, 154679), (1729, 126767), (2071, 105833), (8141, 26923), (9919, 22097), (14497, 15119)]