12156123

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 19464192

約数和(自身を除く): 7308069

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 263, 497, 651, 789, 1491, 1841, 2201, 5523, 6603, 8153, 15407, 18673, 24459, 46221, 56019, 57071, 130711, 171213, 392133, 578863, 1736589, 4052041, 12156123]

約数ペア:

[(1, 12156123), (3, 4052041), (7, 1736589), (21, 578863), (31, 392133), (71, 171213), (93, 130711), (213, 57071), (217, 56019), (263, 46221), (497, 24459), (651, 18673), (789, 15407), (1491, 8153), (1841, 6603), (2201, 5523)]