25515207

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 37908000

約数和(自身を除く): 12392793

約数列:

[1, 3, 9, 53, 149, 159, 359, 447, 477, 1077, 1341, 3231, 7897, 19027, 23691, 53491, 57081, 71073, 160473, 171243, 481419, 2835023, 8505069, 25515207]

約数ペア:

[(1, 25515207), (3, 8505069), (9, 2835023), (53, 481419), (149, 171243), (159, 160473), (359, 71073), (447, 57081), (477, 53491), (1077, 23691), (1341, 19027), (3231, 7897)]