289399209

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{8219}}^1$

素因数の和:8341

約数の個数: 24

約数和(自身を含む): 428557920

約数和(自身を除く): 139158711

約数列:

[1, 3, 11, 33, 97, 121, 291, 363, 1067, 3201, 8219, 11737, 24657, 35211, 90409, 271227, 797243, 994499, 2391729, 2983497, 8769673, 26309019, 96466403, 289399209]

約数ペア:

[(1, 289399209), (3, 96466403), (11, 26309019), (33, 8769673), (97, 2983497), (121, 2391729), (291, 994499), (363, 797243), (1067, 271227), (3201, 90409), (8219, 35211), (11737, 24657)]