25783407

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 19576593

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 149, 153, 221, 261, 351, 377, 447, 459, 493, 663, 783, 1131, 1341, 1479, 1937, 1989, 2533, 3393, 4023, 4321, 4437, 5811, 5967, 6409, 7599, 10179, 12963, 13311, 17433, 19227, 22797, 32929, 38889, 52299, 56173, 57681, 68391, 73457, 98787, 116667, 168519, 173043, 220371, 296361, 505557, 661113, 889083, 954941, 1516671, 1983339, 2864823, 8594469, 25783407]

約数ペア:

[(1, 25783407), (3, 8594469), (9, 2864823), (13, 1983339), (17, 1516671), (27, 954941), (29, 889083), (39, 661113), (51, 505557), (87, 296361), (117, 220371), (149, 173043), (153, 168519), (221, 116667), (261, 98787), (351, 73457), (377, 68391), (447, 57681), (459, 56173), (493, 52299), (663, 38889), (783, 32929), (1131, 22797), (1341, 19227), (1479, 17433), (1937, 13311), (1989, 12963), (2533, 10179), (3393, 7599), (4023, 6409), (4321, 5967), (4437, 5811)]