221837175

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 461741280

約数和(自身を除く): 239904105

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 305, 315, 427, 525, 549, 915, 1281, 1525, 1575, 2135, 2309, 2745, 3843, 4575, 6405, 6927, 10675, 11545, 13725, 16163, 19215, 20781, 32025, 34635, 48489, 57725, 80815, 96075, 103905, 140849, 145467, 173175, 242445, 404075, 422547, 519525, 704245, 727335, 985943, 1212225, 1267641, 2112735, 2957829, 3521225, 3636675, 4929715, 6338205, 8873487, 10563675, 14789145, 24648575, 31691025, 44367435, 73945725, 221837175]

約数ペア:

[(1, 221837175), (3, 73945725), (5, 44367435), (7, 31691025), (9, 24648575), (15, 14789145), (21, 10563675), (25, 8873487), (35, 6338205), (45, 4929715), (61, 3636675), (63, 3521225), (75, 2957829), (105, 2112735), (175, 1267641), (183, 1212225), (225, 985943), (305, 727335), (315, 704245), (427, 519525), (525, 422547), (549, 404075), (915, 242445), (1281, 173175), (1525, 145467), (1575, 140849), (2135, 103905), (2309, 96075), (2745, 80815), (3843, 57725), (4575, 48489), (6405, 34635), (6927, 32025), (10675, 20781), (11545, 19215), (13725, 16163)]