75291447

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 125627904

約数和(自身を除く): 50336457

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 397, 821, 1191, 2463, 2779, 4367, 5747, 8337, 9031, 13101, 17241, 27093, 30569, 63217, 91707, 189651, 325937, 977811, 2281559, 3585307, 6844677, 10755921, 25097149, 75291447]

約数ペア:

[(1, 75291447), (3, 25097149), (7, 10755921), (11, 6844677), (21, 3585307), (33, 2281559), (77, 977811), (231, 325937), (397, 189651), (821, 91707), (1191, 63217), (2463, 30569), (2779, 27093), (4367, 17241), (5747, 13101), (8337, 9031)]