247276845

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^2\times {\mathrm{241}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 433260828

約数和(自身を除く): 185983983

約数列:

[1, 3, 5, 9, 15, 45, 151, 241, 453, 723, 755, 1205, 1359, 2169, 2265, 3615, 6795, 10845, 22801, 36391, 68403, 109173, 114005, 181955, 205209, 327519, 342015, 545865, 1026045, 1637595, 5495041, 16485123, 27475205, 49455369, 82425615, 247276845]

約数ペア:

[(1, 247276845), (3, 82425615), (5, 49455369), (9, 27475205), (15, 16485123), (45, 5495041), (151, 1637595), (241, 1026045), (453, 545865), (723, 342015), (755, 327519), (1205, 205209), (1359, 181955), (2169, 114005), (2265, 109173), (3615, 68403), (6795, 36391), (10845, 22801)]