820362045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 1406398464

約数和(自身を除く): 586036419

約数列:

[1, 3, 5, 15, 23, 69, 71, 107, 115, 213, 313, 321, 345, 355, 535, 939, 1065, 1565, 1605, 1633, 2461, 4695, 4899, 7199, 7383, 7597, 8165, 12305, 21597, 22223, 22791, 24495, 33491, 35995, 36915, 37985, 66669, 100473, 107985, 111115, 113955, 167455, 174731, 333345, 502365, 511129, 524193, 770293, 873655, 1533387, 2310879, 2377861, 2555645, 2620965, 3851465, 7133583, 7666935, 11554395, 11889305, 35667915, 54690803, 164072409, 273454015, 820362045]

約数ペア:

[(1, 820362045), (3, 273454015), (5, 164072409), (15, 54690803), (23, 35667915), (69, 11889305), (71, 11554395), (107, 7666935), (115, 7133583), (213, 3851465), (313, 2620965), (321, 2555645), (345, 2377861), (355, 2310879), (535, 1533387), (939, 873655), (1065, 770293), (1565, 524193), (1605, 511129), (1633, 502365), (2461, 333345), (4695, 174731), (4899, 167455), (7199, 113955), (7383, 111115), (7597, 107985), (8165, 100473), (12305, 66669), (21597, 37985), (22223, 36915), (22791, 35995), (24495, 33491)]