40672989

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 71245440

約数和(自身を除く): 30572451

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 189, 213, 433, 441, 497, 639, 1299, 1323, 1491, 1917, 3031, 3479, 3897, 4473, 9093, 10437, 11691, 13419, 21217, 27279, 30743, 31311, 63651, 81837, 92229, 93933, 190953, 215201, 276687, 572859, 645603, 830061, 1506407, 1936809, 4519221, 5810427, 13557663, 40672989]

約数ペア:

[(1, 40672989), (3, 13557663), (7, 5810427), (9, 4519221), (21, 1936809), (27, 1506407), (49, 830061), (63, 645603), (71, 572859), (147, 276687), (189, 215201), (213, 190953), (433, 93933), (441, 92229), (497, 81837), (639, 63651), (1299, 31311), (1323, 30743), (1491, 27279), (1917, 21217), (3031, 13419), (3479, 11691), (3897, 10437), (4473, 9093)]