26787321

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 20214279

約数列:

[1, 3, 9, 11, 19, 27, 33, 47, 57, 99, 101, 141, 171, 209, 297, 303, 423, 513, 517, 627, 893, 909, 1111, 1269, 1551, 1881, 1919, 2679, 2727, 3333, 4653, 4747, 5643, 5757, 8037, 9823, 9999, 13959, 14241, 17271, 21109, 24111, 29469, 29997, 42723, 51813, 52217, 63327, 88407, 90193, 128169, 156651, 189981, 265221, 270579, 469953, 569943, 811737, 992123, 1409859, 2435211, 2976369, 8929107, 26787321]

約数ペア:

[(1, 26787321), (3, 8929107), (9, 2976369), (11, 2435211), (19, 1409859), (27, 992123), (33, 811737), (47, 569943), (57, 469953), (99, 270579), (101, 265221), (141, 189981), (171, 156651), (209, 128169), (297, 90193), (303, 88407), (423, 63327), (513, 52217), (517, 51813), (627, 42723), (893, 29997), (909, 29469), (1111, 24111), (1269, 21109), (1551, 17271), (1881, 14241), (1919, 13959), (2679, 9999), (2727, 9823), (3333, 8037), (4653, 5757), (4747, 5643)]