213546213

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 332107776

約数和(自身を除く): 118561563

約数列:

[1, 3, 9, 27, 43, 81, 107, 129, 191, 243, 321, 387, 573, 963, 1161, 1719, 2889, 3483, 4601, 5157, 8213, 8667, 10449, 13803, 15471, 20437, 24639, 26001, 41409, 46413, 61311, 73917, 124227, 183933, 221751, 372681, 551799, 665253, 878791, 1118043, 1655397, 1995759, 2636373, 4966191, 7909119, 23727357, 71182071, 213546213]

約数ペア:

[(1, 213546213), (3, 71182071), (9, 23727357), (27, 7909119), (43, 4966191), (81, 2636373), (107, 1995759), (129, 1655397), (191, 1118043), (243, 878791), (321, 665253), (387, 551799), (573, 372681), (963, 221751), (1161, 183933), (1719, 124227), (2889, 73917), (3483, 61311), (4601, 46413), (5157, 41409), (8213, 26001), (8667, 24639), (10449, 20437), (13803, 15471)]