865144881

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 1326124800

約数和(自身を除く): 460979919

約数列:

[1, 3, 9, 27, 81, 89, 109, 243, 267, 327, 367, 801, 981, 1101, 2403, 2943, 3303, 7209, 8829, 9701, 9909, 21627, 26487, 29103, 29727, 32663, 40003, 87309, 89181, 97989, 120009, 261927, 293967, 360027, 785781, 881901, 1080081, 2357343, 2645703, 3240243, 3560267, 7937109, 9720729, 10680801, 32042403, 96127209, 288381627, 865144881]

約数ペア:

[(1, 865144881), (3, 288381627), (9, 96127209), (27, 32042403), (81, 10680801), (89, 9720729), (109, 7937109), (243, 3560267), (267, 3240243), (327, 2645703), (367, 2357343), (801, 1080081), (981, 881901), (1101, 785781), (2403, 360027), (2943, 293967), (3303, 261927), (7209, 120009), (8829, 97989), (9701, 89181), (9909, 87309), (21627, 40003), (26487, 32663), (29103, 29727)]