261185013

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3217}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 403665920

約数和(自身を除く): 142480907

約数列:

[1, 3, 9, 27, 31, 93, 97, 279, 291, 837, 873, 2619, 3007, 3217, 9021, 9651, 27063, 28953, 81189, 86859, 99727, 299181, 312049, 897543, 936147, 2692629, 2808441, 8425323, 9673519, 29020557, 87061671, 261185013]

約数ペア:

[(1, 261185013), (3, 87061671), (9, 29020557), (27, 9673519), (31, 8425323), (93, 2808441), (97, 2692629), (279, 936147), (291, 897543), (837, 312049), (873, 299181), (2619, 99727), (3007, 86859), (3217, 81189), (9021, 28953), (9651, 27063)]