15520473

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 25141428

約数和(自身を除く): 9620955

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 281, 323, 361, 843, 969, 1083, 2529, 2907, 3249, 4777, 5339, 6137, 14331, 16017, 18411, 42993, 48051, 55233, 90763, 101441, 272289, 304323, 816867, 912969, 1724497, 5173491, 15520473]

約数ペア:

[(1, 15520473), (3, 5173491), (9, 1724497), (17, 912969), (19, 816867), (51, 304323), (57, 272289), (153, 101441), (171, 90763), (281, 55233), (323, 48051), (361, 42993), (843, 18411), (969, 16017), (1083, 14331), (2529, 6137), (2907, 5339), (3249, 4777)]