22781979

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 37313280

約数和(自身を除く): 14531301

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 947, 2187, 2673, 2841, 8019, 8523, 10417, 24057, 25569, 31251, 76707, 93753, 230121, 281259, 690363, 843777, 2071089, 2531331, 7593993, 22781979]

約数ペア:

[(1, 22781979), (3, 7593993), (9, 2531331), (11, 2071089), (27, 843777), (33, 690363), (81, 281259), (99, 230121), (243, 93753), (297, 76707), (729, 31251), (891, 25569), (947, 24057), (2187, 10417), (2673, 8523), (2841, 8019)]