25686639

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 42375168

約数和(自身を除く): 16688529

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 127, 227, 297, 381, 681, 891, 1143, 1397, 2043, 2497, 3429, 4191, 6129, 7491, 10287, 12573, 18387, 22473, 28829, 37719, 67419, 86487, 113157, 202257, 259461, 317119, 778383, 951357, 2335149, 2854071, 8562213, 25686639]

約数ペア:

[(1, 25686639), (3, 8562213), (9, 2854071), (11, 2335149), (27, 951357), (33, 778383), (81, 317119), (99, 259461), (127, 202257), (227, 113157), (297, 86487), (381, 67419), (681, 37719), (891, 28829), (1143, 22473), (1397, 18387), (2043, 12573), (2497, 10287), (3429, 7491), (4191, 6129)]