374789991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 551485440

約数和(自身を除く): 176695449

約数列:

[1, 3, 19, 23, 57, 69, 263, 437, 789, 1087, 1311, 3261, 4997, 6049, 14991, 18147, 20653, 25001, 61959, 75003, 114931, 285881, 344793, 475019, 857643, 1425057, 5431739, 6575263, 16295217, 19725789, 124929997, 374789991]

約数ペア:

[(1, 374789991), (3, 124929997), (19, 19725789), (23, 16295217), (57, 6575263), (69, 5431739), (263, 1425057), (437, 857643), (789, 475019), (1087, 344793), (1311, 285881), (3261, 114931), (4997, 75003), (6049, 61959), (14991, 25001), (18147, 20653)]