664899963

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347933}}^1$

素因数の和:347963

約数の個数: 24

約数和(自身を含む): 1110605328

約数和(自身を除く): 445705365

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 347933, 1043799, 2435531, 4523129, 7306593, 13569387, 17048717, 31661903, 51146151, 94985709, 221633321, 664899963]

約数ペア:

[(1, 664899963), (3, 221633321), (7, 94985709), (13, 51146151), (21, 31661903), (39, 17048717), (49, 13569387), (91, 7306593), (147, 4523129), (273, 2435531), (637, 1043799), (1911, 347933)]