1818449913

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1\times {\mathrm{2113}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 2805497856

約数和(自身を除く): 987047943

約数列:

[1, 3, 7, 21, 107, 321, 383, 749, 1149, 2113, 2247, 2681, 6339, 8043, 14791, 40981, 44373, 122943, 226091, 286867, 678273, 809279, 860601, 1582637, 2427837, 4747911, 5664953, 16994859, 86592853, 259778559, 606149971, 1818449913]

約数ペア:

[(1, 1818449913), (3, 606149971), (7, 259778559), (21, 86592853), (107, 16994859), (321, 5664953), (383, 4747911), (749, 2427837), (1149, 1582637), (2113, 860601), (2247, 809279), (2681, 678273), (6339, 286867), (8043, 226091), (14791, 122943), (40981, 44373)]