15974991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 24552320

約数和(自身を除く): 8577329

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 907, 927, 1957, 2721, 5871, 8163, 17233, 17613, 51699, 93421, 155097, 280263, 840789, 1774999, 5324997, 15974991]

約数ペア:

[(1, 15974991), (3, 5324997), (9, 1774999), (19, 840789), (57, 280263), (103, 155097), (171, 93421), (309, 51699), (907, 17613), (927, 17233), (1957, 8163), (2721, 5871)]