217466679

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 315187200

約数和(自身を除く): 97720521

約数列:

[1, 3, 23, 29, 69, 87, 191, 569, 573, 667, 1707, 2001, 4393, 5539, 13087, 13179, 16501, 16617, 39261, 49503, 108679, 127397, 326037, 379523, 382191, 1138569, 2499617, 3151691, 7498851, 9455073, 72488893, 217466679]

約数ペア:

[(1, 217466679), (3, 72488893), (23, 9455073), (29, 7498851), (69, 3151691), (87, 2499617), (191, 1138569), (569, 382191), (573, 379523), (667, 326037), (1707, 127397), (2001, 108679), (4393, 49503), (5539, 39261), (13087, 16617), (13179, 16501)]