77350221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 137214000

約数和(自身を除く): 59863779

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 81, 87, 117, 149, 153, 221, 261, 351, 377, 447, 459, 493, 663, 783, 1053, 1131, 1341, 1377, 1479, 1937, 1989, 2349, 2533, 3393, 4023, 4321, 4437, 5811, 5967, 6409, 7599, 10179, 12069, 12963, 13311, 17433, 17901, 19227, 22797, 30537, 32929, 38889, 39933, 52299, 56173, 57681, 68391, 73457, 98787, 116667, 156897, 168519, 173043, 205173, 220371, 296361, 350001, 505557, 519129, 661113, 889083, 954941, 1516671, 1983339, 2667249, 2864823, 4550013, 5950017, 8594469, 25783407, 77350221]

約数ペア:

[(1, 77350221), (3, 25783407), (9, 8594469), (13, 5950017), (17, 4550013), (27, 2864823), (29, 2667249), (39, 1983339), (51, 1516671), (81, 954941), (87, 889083), (117, 661113), (149, 519129), (153, 505557), (221, 350001), (261, 296361), (351, 220371), (377, 205173), (447, 173043), (459, 168519), (493, 156897), (663, 116667), (783, 98787), (1053, 73457), (1131, 68391), (1341, 57681), (1377, 56173), (1479, 52299), (1937, 39933), (1989, 38889), (2349, 32929), (2533, 30537), (3393, 22797), (4023, 19227), (4321, 17901), (4437, 17433), (5811, 13311), (5967, 12963), (6409, 12069), (7599, 10179)]