319879905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{8419}}^1$

素因数の和:8593

約数の個数: 32

約数和(自身を含む): 545616000

約数和(自身を除く): 225736095

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 2235, 2533, 7599, 8419, 12665, 25257, 37995, 42095, 126285, 143123, 429369, 715615, 1254431, 2146845, 3763293, 6272155, 18816465, 21325327, 63975981, 106626635, 319879905]

約数ペア:

[(1, 319879905), (3, 106626635), (5, 63975981), (15, 21325327), (17, 18816465), (51, 6272155), (85, 3763293), (149, 2146845), (255, 1254431), (447, 715615), (745, 429369), (2235, 143123), (2533, 126285), (7599, 42095), (8419, 37995), (12665, 25257)]