28113495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 48807360

約数和(自身を除く): 20693865

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 2689, 3485, 8067, 10455, 13445, 40335, 45713, 110249, 137139, 228565, 330747, 551245, 685695, 1653735, 1874233, 5622699, 9371165, 28113495]

約数ペア:

[(1, 28113495), (3, 9371165), (5, 5622699), (15, 1874233), (17, 1653735), (41, 685695), (51, 551245), (85, 330747), (123, 228565), (205, 137139), (255, 110249), (615, 45713), (697, 40335), (2091, 13445), (2689, 10455), (3485, 8067)]