205200411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 310582272

約数和(自身を除く): 105381861

約数列:

[1, 3, 13, 23, 39, 69, 103, 299, 309, 897, 1339, 2221, 2369, 4017, 6663, 7107, 28873, 30797, 51083, 86619, 92391, 153249, 228763, 664079, 686289, 1992237, 2973919, 5261549, 8921757, 15784647, 68400137, 205200411]

約数ペア:

[(1, 205200411), (3, 68400137), (13, 15784647), (23, 8921757), (39, 5261549), (69, 2973919), (103, 1992237), (299, 686289), (309, 664079), (897, 228763), (1339, 153249), (2221, 92391), (2369, 86619), (4017, 51083), (6663, 30797), (7107, 28873)]