18021567447

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{5387}}^1$

素因数の和:5771

約数の個数: 56

約数和(自身を含む): 29186300304

約数和(自身を除く): 11164732857

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 353, 729, 1053, 1059, 3159, 3177, 4589, 5387, 9477, 9531, 13767, 16161, 28593, 41301, 48483, 70031, 85779, 123903, 145449, 210093, 257337, 371709, 436347, 630279, 1115127, 1309041, 1890837, 1901611, 3345381, 3927123, 5672511, 5704833, 17017533, 17114499, 24720943, 51052599, 51343497, 74162829, 154030491, 222488487, 462091473, 667465461, 1386274419, 2002396383, 6007189149, 18021567447]

約数ペア:

[(1, 18021567447), (3, 6007189149), (9, 2002396383), (13, 1386274419), (27, 667465461), (39, 462091473), (81, 222488487), (117, 154030491), (243, 74162829), (351, 51343497), (353, 51052599), (729, 24720943), (1053, 17114499), (1059, 17017533), (3159, 5704833), (3177, 5672511), (4589, 3927123), (5387, 3345381), (9477, 1901611), (9531, 1890837), (13767, 1309041), (16161, 1115127), (28593, 630279), (41301, 436347), (48483, 371709), (70031, 257337), (85779, 210093), (123903, 145449)]