80389821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^2$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 115867584

約数和(自身を除く): 35477763

約数列:

[1, 3, 17, 51, 71, 149, 213, 447, 1207, 2533, 3621, 7599, 10579, 22201, 31737, 66603, 179843, 377417, 539529, 1132251, 1576271, 4728813, 26796607, 80389821]

約数ペア:

[(1, 80389821), (3, 26796607), (17, 4728813), (51, 1576271), (71, 1132251), (149, 539529), (213, 377417), (447, 179843), (1207, 66603), (2533, 31737), (3621, 22201), (7599, 10579)]