220147551

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 357861504

約数和(自身を除く): 137713953

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 227, 243, 307, 351, 681, 921, 1053, 2043, 2763, 2951, 3159, 3991, 6129, 8289, 8853, 11973, 18387, 24867, 26559, 35919, 55161, 69689, 74601, 79677, 107757, 209067, 239031, 323271, 627201, 717093, 905957, 969813, 1881603, 2717871, 5644809, 8153613, 16934427, 24460839, 73382517, 220147551]

約数ペア:

[(1, 220147551), (3, 73382517), (9, 24460839), (13, 16934427), (27, 8153613), (39, 5644809), (81, 2717871), (117, 1881603), (227, 969813), (243, 905957), (307, 717093), (351, 627201), (681, 323271), (921, 239031), (1053, 209067), (2043, 107757), (2763, 79677), (2951, 74601), (3159, 69689), (3991, 55161), (6129, 35919), (8289, 26559), (8853, 24867), (11973, 18387)]