260019753

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 409592832

約数和(自身を除く): 149573079

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 707, 903, 2121, 2851, 4343, 8553, 13029, 19957, 30401, 59871, 91203, 122593, 287951, 367779, 858151, 863853, 2015657, 2574453, 6046971, 12381893, 37145679, 86673251, 260019753]

約数ペア:

[(1, 260019753), (3, 86673251), (7, 37145679), (21, 12381893), (43, 6046971), (101, 2574453), (129, 2015657), (301, 863853), (303, 858151), (707, 367779), (903, 287951), (2121, 122593), (2851, 91203), (4343, 59871), (8553, 30401), (13029, 19957)]