20131539

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1553}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 27972000

約数和(自身を除く): 7840461

約数列:

[1, 3, 29, 87, 149, 447, 1553, 4321, 4659, 12963, 45037, 135111, 231397, 694191, 6710513, 20131539]

約数ペア:

[(1, 20131539), (3, 6710513), (29, 694191), (87, 231397), (149, 135111), (447, 45037), (1553, 12963), (4321, 4659)]