231390207

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1409}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 340498080

約数和(自身を除く): 109107873

約数列:

[1, 3, 9, 71, 213, 257, 639, 771, 1409, 2313, 4227, 12681, 18247, 54741, 100039, 164223, 300117, 362113, 900351, 1086339, 3259017, 25710023, 77130069, 231390207]

約数ペア:

[(1, 231390207), (3, 77130069), (9, 25710023), (71, 3259017), (213, 1086339), (257, 900351), (639, 362113), (771, 300117), (1409, 164223), (2313, 100039), (4227, 54741), (12681, 18247)]