83923815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 142706880

約数和(自身を除く): 58783065

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 397, 829, 1191, 1985, 2487, 4145, 5955, 6749, 12435, 14093, 20247, 33745, 42279, 70465, 101235, 211395, 329113, 987339, 1645565, 4936695, 5594921, 16784763, 27974605, 83923815]

約数ペア:

[(1, 83923815), (3, 27974605), (5, 16784763), (15, 5594921), (17, 4936695), (51, 1645565), (85, 987339), (255, 329113), (397, 211395), (829, 101235), (1191, 70465), (1985, 42279), (2487, 33745), (4145, 20247), (5955, 14093), (6749, 12435)]