2851947

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 4979520

約数和(自身を除く): 2127573

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 223, 261, 441, 609, 669, 1421, 1561, 1827, 2007, 4263, 4683, 6467, 10927, 12789, 14049, 19401, 32781, 45269, 58203, 98343, 135807, 316883, 407421, 950649, 2851947]

約数ペア:

[(1, 2851947), (3, 950649), (7, 407421), (9, 316883), (21, 135807), (29, 98343), (49, 58203), (63, 45269), (87, 32781), (147, 19401), (203, 14049), (223, 12789), (261, 10927), (441, 6467), (609, 4683), (669, 4263), (1421, 2007), (1561, 1827)]