661375005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1917029}}^1$

素因数の和:1917060

約数の個数: 16

約数和(自身を含む): 1104209280

約数和(自身を除く): 442834275

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1917029, 5751087, 9585145, 28755435, 44091667, 132275001, 220458335, 661375005]

約数ペア:

[(1, 661375005), (3, 220458335), (5, 132275001), (15, 44091667), (23, 28755435), (69, 9585145), (115, 5751087), (345, 1917029)]