2947805217

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{273629}}^1$

素因数の和:273667

約数の個数: 40

約数和(自身を含む): 5297476800

約数和(自身を除く): 2349671583

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 273629, 820887, 1915403, 2462661, 5198951, 5746209, 7387983, 15596853, 17238627, 22163949, 36392657, 46790559, 51715881, 109177971, 140371677, 155147643, 327533913, 421115031, 982601739, 2947805217]

約数ペア:

[(1, 2947805217), (3, 982601739), (7, 421115031), (9, 327533913), (19, 155147643), (21, 140371677), (27, 109177971), (57, 51715881), (63, 46790559), (81, 36392657), (133, 22163949), (171, 17238627), (189, 15596853), (399, 7387983), (513, 5746209), (567, 5198951), (1197, 2462661), (1539, 1915403), (3591, 820887), (10773, 273629)]