64971939

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5333}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 90123264

約数和(自身を除く): 25151325

約数列:

[1, 3, 31, 93, 131, 393, 4061, 5333, 12183, 15999, 165323, 495969, 698623, 2095869, 21657313, 64971939]

約数ペア:

[(1, 64971939), (3, 21657313), (31, 2095869), (93, 698623), (131, 495969), (393, 165323), (4061, 15999), (5333, 12183)]