9872421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1553}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 14271936

約数和(自身を除く): 4399515

約数列:

[1, 3, 13, 39, 163, 489, 1553, 2119, 4659, 6357, 20189, 60567, 253139, 759417, 3290807, 9872421]

約数ペア:

[(1, 9872421), (3, 3290807), (13, 759417), (39, 253139), (163, 60567), (489, 20189), (1553, 6357), (2119, 4659)]