221565315

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1951}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 363165696

約数和(自身を除く): 141600381

約数列:

[1, 3, 5, 15, 67, 113, 201, 335, 339, 565, 1005, 1695, 1951, 5853, 7571, 9755, 22713, 29265, 37855, 113565, 130717, 220463, 392151, 653585, 661389, 1102315, 1960755, 3306945, 14771021, 44313063, 73855105, 221565315]

約数ペア:

[(1, 221565315), (3, 73855105), (5, 44313063), (15, 14771021), (67, 3306945), (113, 1960755), (201, 1102315), (335, 661389), (339, 653585), (565, 392151), (1005, 220463), (1695, 130717), (1951, 113565), (5853, 37855), (7571, 29265), (9755, 22713)]