201491019

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 295272432

約数和(自身を除く): 93781413

約数列:

[1, 3, 9, 97, 291, 443, 521, 873, 1329, 1563, 3987, 4689, 42971, 50537, 128913, 151611, 230803, 386739, 454833, 692409, 2077227, 22387891, 67163673, 201491019]

約数ペア:

[(1, 201491019), (3, 67163673), (9, 22387891), (97, 2077227), (291, 692409), (443, 454833), (521, 386739), (873, 230803), (1329, 151611), (1563, 128913), (3987, 50537), (4689, 42971)]