681681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 1225728

約数和(自身を除く): 544047

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 227, 231, 273, 429, 681, 1001, 1589, 2497, 2951, 3003, 4767, 7491, 8853, 17479, 20657, 32461, 52437, 61971, 97383, 227227, 681681]

約数ペア:

[(1, 681681), (3, 227227), (7, 97383), (11, 61971), (13, 52437), (21, 32461), (33, 20657), (39, 17479), (77, 8853), (91, 7491), (143, 4767), (227, 3003), (231, 2951), (273, 2497), (429, 1589), (681, 1001)]