291237111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 502828560

約数和(自身を除く): 211591449

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 281, 319, 361, 551, 627, 843, 957, 1083, 1653, 1881, 2529, 2871, 3091, 3249, 3971, 4959, 5339, 6061, 8149, 9273, 10469, 11913, 16017, 18183, 24447, 27819, 31407, 35739, 48051, 54549, 58729, 73341, 89639, 94221, 101441, 115159, 154831, 176187, 268917, 304323, 345477, 464493, 528561, 806751, 912969, 1036431, 1115851, 1393479, 1703141, 2941789, 3347553, 5109423, 8825367, 10042659, 15328269, 26476101, 32359679, 97079037, 291237111]

約数ペア:

[(1, 291237111), (3, 97079037), (9, 32359679), (11, 26476101), (19, 15328269), (29, 10042659), (33, 8825367), (57, 5109423), (87, 3347553), (99, 2941789), (171, 1703141), (209, 1393479), (261, 1115851), (281, 1036431), (319, 912969), (361, 806751), (551, 528561), (627, 464493), (843, 345477), (957, 304323), (1083, 268917), (1653, 176187), (1881, 154831), (2529, 115159), (2871, 101441), (3091, 94221), (3249, 89639), (3971, 73341), (4959, 58729), (5339, 54549), (6061, 48051), (8149, 35739), (9273, 31407), (10469, 27819), (11913, 24447), (16017, 18183)]