14781221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 19568640

約数和(自身を除く): 4787419

約数列:

[1, 7, 13, 19, 83, 91, 103, 133, 247, 581, 721, 1079, 1339, 1577, 1729, 1957, 7553, 8549, 9373, 11039, 13699, 20501, 25441, 59843, 111137, 143507, 162431, 178087, 777959, 1137017, 2111603, 14781221]

約数ペア:

[(1, 14781221), (7, 2111603), (13, 1137017), (19, 777959), (83, 178087), (91, 162431), (103, 143507), (133, 111137), (247, 59843), (581, 25441), (721, 20501), (1079, 13699), (1339, 11039), (1577, 9373), (1729, 8549), (1957, 7553)]