12957681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 19748736

約数和(自身を除く): 6791055

約数列:

[1, 3, 11, 33, 41, 61, 123, 157, 183, 451, 471, 671, 1353, 1727, 2013, 2501, 5181, 6437, 7503, 9577, 19311, 27511, 28731, 70807, 82533, 105347, 212421, 316041, 392657, 1177971, 4319227, 12957681]

約数ペア:

[(1, 12957681), (3, 4319227), (11, 1177971), (33, 392657), (41, 316041), (61, 212421), (123, 105347), (157, 82533), (183, 70807), (451, 28731), (471, 27511), (671, 19311), (1353, 9577), (1727, 7503), (2013, 6437), (2501, 5181)]