320419971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{23719}}^1$

素因数の和:23823

約数の個数: 24

約数和(自身を含む): 493376000

約数和(自身を除く): 172956029

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 4503, 13509, 23719, 71157, 213471, 450661, 1351983, 1873801, 4055949, 5621403, 16864209, 35602219, 106806657, 320419971]

約数ペア:

[(1, 320419971), (3, 106806657), (9, 35602219), (19, 16864209), (57, 5621403), (79, 4055949), (171, 1873801), (237, 1351983), (711, 450661), (1501, 213471), (4503, 71157), (13509, 23719)]