2865555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 6200064

約数和(自身を除く): 3334509

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 827, 1155, 2481, 3465, 4135, 5789, 7443, 9097, 12405, 17367, 27291, 28945, 37215, 45485, 52101, 63679, 81873, 86835, 136455, 191037, 260505, 318395, 409365, 573111, 955185, 2865555]

約数ペア:

[(1, 2865555), (3, 955185), (5, 573111), (7, 409365), (9, 318395), (11, 260505), (15, 191037), (21, 136455), (33, 86835), (35, 81873), (45, 63679), (55, 52101), (63, 45485), (77, 37215), (99, 28945), (105, 27291), (165, 17367), (231, 12405), (315, 9097), (385, 7443), (495, 5789), (693, 4135), (827, 3465), (1155, 2481)]