40442949

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 65427840

約数和(自身を除く): 24984891

約数列:

[1, 3, 9, 17, 27, 51, 71, 73, 153, 213, 219, 289, 459, 639, 657, 867, 1207, 1241, 1917, 1971, 2601, 3621, 3723, 5183, 7803, 10863, 11169, 15549, 20519, 21097, 32589, 33507, 46647, 61557, 63291, 88111, 139941, 184671, 189873, 264333, 554013, 569619, 792999, 1497887, 2378997, 4493661, 13480983, 40442949]

約数ペア:

[(1, 40442949), (3, 13480983), (9, 4493661), (17, 2378997), (27, 1497887), (51, 792999), (71, 569619), (73, 554013), (153, 264333), (213, 189873), (219, 184671), (289, 139941), (459, 88111), (639, 63291), (657, 61557), (867, 46647), (1207, 33507), (1241, 32589), (1917, 21097), (1971, 20519), (2601, 15549), (3621, 11169), (3723, 10863), (5183, 7803)]