674973

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:666

約数の個数: 20

約数和(自身を含む): 1087548

約数和(自身を除く): 412575

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 641, 1053, 1923, 5769, 8333, 17307, 24999, 51921, 74997, 224991, 674973]

約数ペア:

[(1, 674973), (3, 224991), (9, 74997), (13, 51921), (27, 24999), (39, 17307), (81, 8333), (117, 5769), (351, 1923), (641, 1053)]