17680695

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 12179145

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 809, 1457, 2427, 4045, 4371, 7285, 12135, 21855, 25079, 38023, 75237, 114069, 125395, 190115, 376185, 570345, 1178713, 3536139, 5893565, 17680695]

約数ペア:

[(1, 17680695), (3, 5893565), (5, 3536139), (15, 1178713), (31, 570345), (47, 376185), (93, 190115), (141, 125395), (155, 114069), (235, 75237), (465, 38023), (705, 25079), (809, 21855), (1457, 12135), (2427, 7285), (4045, 4371)]