89931009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 144967680

約数和(自身を除く): 55036671

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 789, 857, 1841, 2571, 4997, 5523, 5999, 14991, 16283, 17997, 34979, 48849, 104937, 113981, 225391, 341943, 676173, 1577737, 4282429, 4733211, 12847287, 29977003, 89931009]

約数ペア:

[(1, 89931009), (3, 29977003), (7, 12847287), (19, 4733211), (21, 4282429), (57, 1577737), (133, 676173), (263, 341943), (399, 225391), (789, 113981), (857, 104937), (1841, 48849), (2571, 34979), (4997, 17997), (5523, 16283), (5999, 14991)]