20161915191

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{60271}}^1$

素因数の和:60428

約数の個数: 48

約数和(自身を含む): 33096560640

約数和(自身を除く): 12934645449

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 109, 279, 327, 341, 981, 1023, 1199, 3069, 3379, 3597, 10137, 10791, 30411, 37169, 60271, 111507, 180813, 334521, 542439, 662981, 1868401, 1988943, 5605203, 5966829, 6569539, 16815609, 19708617, 20552411, 59125851, 61657233, 72264929, 184971699, 203655709, 216794787, 610967127, 650384361, 1832901381, 2240212799, 6720638397, 20161915191]

約数ペア:

[(1, 20161915191), (3, 6720638397), (9, 2240212799), (11, 1832901381), (31, 650384361), (33, 610967127), (93, 216794787), (99, 203655709), (109, 184971699), (279, 72264929), (327, 61657233), (341, 59125851), (981, 20552411), (1023, 19708617), (1199, 16815609), (3069, 6569539), (3379, 5966829), (3597, 5605203), (10137, 1988943), (10791, 1868401), (30411, 662981), (37169, 542439), (60271, 334521), (111507, 180813)]