31993017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 51717120

約数和(自身を除く): 19724103

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 443, 543, 1267, 1329, 3101, 3439, 3801, 8417, 9303, 10317, 24073, 25251, 58919, 72219, 80183, 176757, 240549, 561281, 1523477, 1683843, 4570431, 10664339, 31993017]

約数ペア:

[(1, 31993017), (3, 10664339), (7, 4570431), (19, 1683843), (21, 1523477), (57, 561281), (133, 240549), (181, 176757), (399, 80183), (443, 72219), (543, 58919), (1267, 25251), (1329, 24073), (3101, 10317), (3439, 9303), (3801, 8417)]