208536285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{4003}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 350558208

約数和(自身を除く): 142021923

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 453, 755, 2265, 3473, 4003, 10419, 12009, 17365, 20015, 52095, 60045, 92069, 276207, 460345, 604453, 1381035, 1813359, 3022265, 9066795, 13902419, 41707257, 69512095, 208536285]

約数ペア:

[(1, 208536285), (3, 69512095), (5, 41707257), (15, 13902419), (23, 9066795), (69, 3022265), (115, 1813359), (151, 1381035), (345, 604453), (453, 460345), (755, 276207), (2265, 92069), (3473, 60045), (4003, 52095), (10419, 20015), (12009, 17365)]