827891505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1555

約数の個数: 72

約数和(自身を含む): 1676106432

約数和(自身を除く): 848214927

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 307, 315, 441, 735, 921, 1223, 1535, 2149, 2205, 2763, 3669, 4605, 6115, 6447, 8561, 10745, 11007, 13815, 15043, 18345, 19341, 25683, 32235, 42805, 45129, 55035, 59927, 75215, 77049, 96705, 128415, 135387, 179781, 225645, 299635, 375461, 385245, 539343, 676935, 898905, 1126383, 1877305, 2628227, 2696715, 3379149, 5631915, 7884681, 13141135, 16895745, 18397589, 23654043, 39423405, 55192767, 91987945, 118270215, 165578301, 275963835, 827891505]

約数ペア:

[(1, 827891505), (3, 275963835), (5, 165578301), (7, 118270215), (9, 91987945), (15, 55192767), (21, 39423405), (35, 23654043), (45, 18397589), (49, 16895745), (63, 13141135), (105, 7884681), (147, 5631915), (245, 3379149), (307, 2696715), (315, 2628227), (441, 1877305), (735, 1126383), (921, 898905), (1223, 676935), (1535, 539343), (2149, 385245), (2205, 375461), (2763, 299635), (3669, 225645), (4605, 179781), (6115, 135387), (6447, 128415), (8561, 96705), (10745, 77049), (11007, 75215), (13815, 59927), (15043, 55035), (18345, 45129), (19341, 42805), (25683, 32235)]