13571481

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 23408000

約数和(自身を除く): 9836519

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 109, 121, 147, 231, 327, 343, 363, 539, 763, 847, 1029, 1199, 1617, 2289, 2541, 3597, 3773, 5341, 5929, 8393, 11319, 13189, 16023, 17787, 25179, 37387, 39567, 41503, 58751, 92323, 112161, 124509, 176253, 276969, 411257, 646261, 1233771, 1938783, 4523827, 13571481]

約数ペア:

[(1, 13571481), (3, 4523827), (7, 1938783), (11, 1233771), (21, 646261), (33, 411257), (49, 276969), (77, 176253), (109, 124509), (121, 112161), (147, 92323), (231, 58751), (327, 41503), (343, 39567), (363, 37387), (539, 25179), (763, 17787), (847, 16023), (1029, 13189), (1199, 11319), (1617, 8393), (2289, 5929), (2541, 5341), (3597, 3773)]