254609721

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 134579079

約数列:

[1, 3, 9, 53, 59, 83, 109, 159, 177, 249, 327, 477, 531, 747, 981, 3127, 4399, 4897, 5777, 6431, 9047, 9381, 13197, 14691, 17331, 19293, 27141, 28143, 39591, 44073, 51993, 57879, 81423, 259541, 340843, 479491, 533773, 778623, 1022529, 1438473, 1601319, 2335869, 3067587, 4315419, 4803957, 28289969, 84869907, 254609721]

約数ペア:

[(1, 254609721), (3, 84869907), (9, 28289969), (53, 4803957), (59, 4315419), (83, 3067587), (109, 2335869), (159, 1601319), (177, 1438473), (249, 1022529), (327, 778623), (477, 533773), (531, 479491), (747, 340843), (981, 259541), (3127, 81423), (4399, 57879), (4897, 51993), (5777, 44073), (6431, 39591), (9047, 28143), (9381, 27141), (13197, 19293), (14691, 17331)]