78789999

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1\times {\mathrm{569}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 106512480

約数和(自身を除く): 27722481

約数列:

[1, 3, 101, 303, 457, 569, 1371, 1707, 46157, 57469, 138471, 172407, 260033, 780099, 26263333, 78789999]

約数ペア:

[(1, 78789999), (3, 26263333), (101, 780099), (303, 260033), (457, 172407), (569, 138471), (1371, 57469), (1707, 46157)]