745378641

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1795

約数の個数: 72

約数和(自身を含む): 1338068160

約数和(自身を除く): 592689519

約数列:

[1, 3, 7, 9, 21, 23, 43, 49, 63, 69, 129, 147, 161, 207, 301, 387, 441, 483, 903, 989, 1127, 1449, 1709, 2107, 2709, 2967, 3381, 5127, 6321, 6923, 8901, 10143, 11963, 15381, 18963, 20769, 35889, 39307, 48461, 62307, 73487, 83741, 107667, 117921, 145383, 220461, 251223, 275149, 353763, 436149, 514409, 661383, 753669, 825447, 1543227, 1690201, 1926043, 2476341, 3600863, 4629681, 5070603, 5778129, 10802589, 11831407, 15211809, 17334387, 32407767, 35494221, 82819849, 106482663, 248459547, 745378641]

約数ペア:

[(1, 745378641), (3, 248459547), (7, 106482663), (9, 82819849), (21, 35494221), (23, 32407767), (43, 17334387), (49, 15211809), (63, 11831407), (69, 10802589), (129, 5778129), (147, 5070603), (161, 4629681), (207, 3600863), (301, 2476341), (387, 1926043), (441, 1690201), (483, 1543227), (903, 825447), (989, 753669), (1127, 661383), (1449, 514409), (1709, 436149), (2107, 353763), (2709, 275149), (2967, 251223), (3381, 220461), (5127, 145383), (6321, 117921), (6923, 107667), (8901, 83741), (10143, 73487), (11963, 62307), (15381, 48461), (18963, 39307), (20769, 35889)]