818639757

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{122753}}^1$

素因数の和:122794

約数の個数: 32

約数和(自身を含む): 1374844800

約数和(自身を除く): 556205043

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 122753, 368259, 1104777, 1595789, 2332307, 3314331, 4787367, 6996921, 14362101, 20990763, 30319991, 43086303, 62972289, 90959973, 272879919, 818639757]

約数ペア:

[(1, 818639757), (3, 272879919), (9, 90959973), (13, 62972289), (19, 43086303), (27, 30319991), (39, 20990763), (57, 14362101), (117, 6996921), (171, 4787367), (247, 3314331), (351, 2332307), (513, 1595789), (741, 1104777), (2223, 368259), (6669, 122753)]