7974225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 16790592

約数和(自身を除く): 8816367

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 83, 105, 175, 183, 225, 249, 305, 315, 415, 427, 525, 549, 581, 747, 915, 1245, 1281, 1525, 1575, 1743, 2075, 2135, 2745, 2905, 3735, 3843, 4575, 5063, 5229, 6225, 6405, 8715, 10675, 13725, 14525, 15189, 18675, 19215, 25315, 26145, 32025, 35441, 43575, 45567, 75945, 96075, 106323, 126575, 130725, 177205, 227835, 318969, 379725, 531615, 886025, 1139175, 1594845, 2658075, 7974225]

約数ペア:

[(1, 7974225), (3, 2658075), (5, 1594845), (7, 1139175), (9, 886025), (15, 531615), (21, 379725), (25, 318969), (35, 227835), (45, 177205), (61, 130725), (63, 126575), (75, 106323), (83, 96075), (105, 75945), (175, 45567), (183, 43575), (225, 35441), (249, 32025), (305, 26145), (315, 25315), (415, 19215), (427, 18675), (525, 15189), (549, 14525), (581, 13725), (747, 10675), (915, 8715), (1245, 6405), (1281, 6225), (1525, 5229), (1575, 5063), (1743, 4575), (2075, 3843), (2135, 3735), (2745, 2905)]