199911231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2843}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 311600016

約数和(自身を除く): 111688785

約数列:

[1, 3, 9, 13, 39, 117, 601, 1803, 2843, 5409, 7813, 8529, 23439, 25587, 36959, 70317, 110877, 332631, 1708643, 5125929, 15377787, 22212359, 66637077, 199911231]

約数ペア:

[(1, 199911231), (3, 66637077), (9, 22212359), (13, 15377787), (39, 5125929), (117, 1708643), (601, 332631), (1803, 110877), (2843, 70317), (5409, 36959), (7813, 25587), (8529, 23439)]