78879213

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{54437}}^1$

素因数の和:54473

約数の個数: 24

約数和(自身を含む): 135877248

約数和(自身を除く): 56998035

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 54437, 163311, 381059, 489933, 1143177, 1252051, 3429531, 3756153, 8764357, 11268459, 26293071, 78879213]

約数ペア:

[(1, 78879213), (3, 26293071), (7, 11268459), (9, 8764357), (21, 3756153), (23, 3429531), (63, 1252051), (69, 1143177), (161, 489933), (207, 381059), (483, 163311), (1449, 54437)]