1386996891

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1459}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 2236953600

約数和(自身を除く): 849956709

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 223, 609, 669, 1421, 1459, 1561, 4263, 4377, 4683, 6467, 10213, 10927, 19401, 30639, 32781, 42311, 45269, 71491, 126933, 135807, 214473, 296177, 316883, 325357, 888531, 950649, 976071, 2073239, 2277499, 6219717, 6832497, 9435353, 15942493, 28306059, 47827479, 66047471, 198142413, 462332297, 1386996891]

約数ペア:

[(1, 1386996891), (3, 462332297), (7, 198142413), (21, 66047471), (29, 47827479), (49, 28306059), (87, 15942493), (147, 9435353), (203, 6832497), (223, 6219717), (609, 2277499), (669, 2073239), (1421, 976071), (1459, 950649), (1561, 888531), (4263, 325357), (4377, 316883), (4683, 296177), (6467, 214473), (10213, 135807), (10927, 126933), (19401, 71491), (30639, 45269), (32781, 42311)]