81811373

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 95232000

約数和(自身を除く): 13420627

約数列:

[1, 7, 79, 239, 553, 619, 1673, 4333, 18881, 48901, 132167, 147941, 342307, 1035587, 11687339, 81811373]

約数ペア:

[(1, 81811373), (7, 11687339), (79, 1035587), (239, 342307), (553, 147941), (619, 132167), (1673, 48901), (4333, 18881)]