249728409

素因数分解:

$3^2\times 7^1\times {\mathrm{1747}}^1\times {\mathrm{2269}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 412667840

約数和(自身を除く): 162939431

約数列:

[1, 3, 7, 9, 21, 63, 1747, 2269, 5241, 6807, 12229, 15723, 15883, 20421, 36687, 47649, 110061, 142947, 3963943, 11891829, 27747601, 35675487, 83242803, 249728409]

約数ペア:

[(1, 249728409), (3, 83242803), (7, 35675487), (9, 27747601), (21, 11891829), (63, 3963943), (1747, 142947), (2269, 110061), (5241, 47649), (6807, 36687), (12229, 20421), (15723, 15883)]