208156725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 429436800

約数和(自身を除く): 221280075

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 149, 175, 225, 315, 447, 525, 745, 887, 1043, 1341, 1575, 2235, 2661, 3129, 3725, 4435, 5215, 6209, 6705, 7983, 9387, 11175, 13305, 15645, 18627, 22175, 26075, 31045, 33525, 39915, 46935, 55881, 66525, 78225, 93135, 132163, 155225, 199575, 234675, 279405, 396489, 465675, 660815, 925141, 1189467, 1397025, 1982445, 2775423, 3304075, 4625705, 5947335, 8326269, 9912225, 13877115, 23128525, 29736675, 41631345, 69385575, 208156725]

約数ペア:

[(1, 208156725), (3, 69385575), (5, 41631345), (7, 29736675), (9, 23128525), (15, 13877115), (21, 9912225), (25, 8326269), (35, 5947335), (45, 4625705), (63, 3304075), (75, 2775423), (105, 1982445), (149, 1397025), (175, 1189467), (225, 925141), (315, 660815), (447, 465675), (525, 396489), (745, 279405), (887, 234675), (1043, 199575), (1341, 155225), (1575, 132163), (2235, 93135), (2661, 78225), (3129, 66525), (3725, 55881), (4435, 46935), (5215, 39915), (6209, 33525), (6705, 31045), (7983, 26075), (9387, 22175), (11175, 18627), (13305, 15645)]