213565107

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 337526784

約数和(自身を除く): 123961677

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 651, 753, 1307, 1757, 3921, 5271, 7781, 9149, 23343, 27447, 40517, 54467, 121551, 163401, 283619, 328057, 850857, 984171, 2296399, 6889197, 10169767, 30509301, 71188369, 213565107]

約数ペア:

[(1, 213565107), (3, 71188369), (7, 30509301), (21, 10169767), (31, 6889197), (93, 2296399), (217, 984171), (251, 850857), (651, 328057), (753, 283619), (1307, 163401), (1757, 121551), (3921, 54467), (5271, 40517), (7781, 27447), (9149, 23343)]