61325721

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 93398400

約数和(自身を除く): 32072679

約数列:

[1, 3, 9, 27, 59, 137, 177, 281, 411, 531, 843, 1233, 1593, 2529, 3699, 7587, 8083, 16579, 24249, 38497, 49737, 72747, 115491, 149211, 218241, 346473, 447633, 1039419, 2271323, 6813969, 20441907, 61325721]

約数ペア:

[(1, 61325721), (3, 20441907), (9, 6813969), (27, 2271323), (59, 1039419), (137, 447633), (177, 346473), (281, 218241), (411, 149211), (531, 115491), (843, 72747), (1233, 49737), (1593, 38497), (2529, 24249), (3699, 16579), (7587, 8083)]