225870879

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 369331200

約数和(自身を除く): 143460321

約数列:

[1, 3, 13, 19, 23, 29, 39, 57, 69, 87, 247, 299, 377, 437, 457, 551, 667, 741, 897, 1131, 1311, 1371, 1653, 2001, 5681, 5941, 7163, 8671, 8683, 10511, 12673, 13253, 17043, 17823, 21489, 26013, 26049, 31533, 38019, 39759, 112879, 136643, 164749, 172289, 199709, 251807, 304819, 338637, 409929, 494247, 516867, 599127, 755421, 914457, 2596217, 3273491, 3962647, 5791561, 7788651, 9820473, 11887941, 17374683, 75290293, 225870879]

約数ペア:

[(1, 225870879), (3, 75290293), (13, 17374683), (19, 11887941), (23, 9820473), (29, 7788651), (39, 5791561), (57, 3962647), (69, 3273491), (87, 2596217), (247, 914457), (299, 755421), (377, 599127), (437, 516867), (457, 494247), (551, 409929), (667, 338637), (741, 304819), (897, 251807), (1131, 199709), (1311, 172289), (1371, 164749), (1653, 136643), (2001, 112879), (5681, 39759), (5941, 38019), (7163, 31533), (8671, 26049), (8683, 26013), (10511, 21489), (12673, 17823), (13253, 17043)]