16571979

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 25459200

約数和(自身を除く): 8887221

約数列:

[1, 3, 9, 27, 59, 101, 103, 177, 303, 309, 531, 909, 927, 1593, 2727, 2781, 5959, 6077, 10403, 17877, 18231, 31209, 53631, 54693, 93627, 160893, 164079, 280881, 613777, 1841331, 5523993, 16571979]

約数ペア:

[(1, 16571979), (3, 5523993), (9, 1841331), (27, 613777), (59, 280881), (101, 164079), (103, 160893), (177, 93627), (303, 54693), (309, 53631), (531, 31209), (909, 18231), (927, 17877), (1593, 10403), (2727, 6077), (2781, 5959)]