2988894531

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{13487}}^1$

素因数の和:13731

約数の個数: 32

約数和(自身を含む): 4656273408

約数和(自身を除く): 1667378877

約数列:

[1, 3, 7, 21, 61, 173, 183, 427, 519, 1211, 1281, 3633, 10553, 13487, 31659, 40461, 73871, 94409, 221613, 283227, 822707, 2333251, 2468121, 5758949, 6999753, 16332757, 17276847, 48998271, 142328311, 426984933, 996298177, 2988894531]

約数ペア:

[(1, 2988894531), (3, 996298177), (7, 426984933), (21, 142328311), (61, 48998271), (173, 17276847), (183, 16332757), (427, 6999753), (519, 5758949), (1211, 2468121), (1281, 2333251), (3633, 822707), (10553, 283227), (13487, 221613), (31659, 94409), (40461, 73871)]