27731457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 46314240

約数和(自身を除く): 18582783

約数列:

[1, 3, 9, 13, 27, 39, 41, 47, 117, 123, 141, 351, 369, 423, 533, 611, 1107, 1269, 1599, 1681, 1833, 1927, 4797, 5043, 5499, 5781, 14391, 15129, 16497, 17343, 21853, 25051, 45387, 52029, 65559, 75153, 79007, 196677, 225459, 237021, 590031, 676377, 711063, 1027091, 2133189, 3081273, 9243819, 27731457]

約数ペア:

[(1, 27731457), (3, 9243819), (9, 3081273), (13, 2133189), (27, 1027091), (39, 711063), (41, 676377), (47, 590031), (117, 237021), (123, 225459), (141, 196677), (351, 79007), (369, 75153), (423, 65559), (533, 52029), (611, 45387), (1107, 25051), (1269, 21853), (1599, 17343), (1681, 16497), (1833, 15129), (1927, 14391), (4797, 5781), (5043, 5499)]