89913021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 138240000

約数和(自身を除く): 48326979

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 517, 957, 1363, 1551, 1999, 4089, 5997, 14993, 21989, 44979, 57971, 65967, 93953, 173913, 281859, 637681, 1033483, 1913043, 2724637, 3100449, 8173911, 29971007, 89913021]

約数ペア:

[(1, 89913021), (3, 29971007), (11, 8173911), (29, 3100449), (33, 2724637), (47, 1913043), (87, 1033483), (141, 637681), (319, 281859), (517, 173913), (957, 93953), (1363, 65967), (1551, 57971), (1999, 44979), (4089, 21989), (5997, 14993)]