1405908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{797}}^1$

素因数の和:821

約数の個数: 54

約数和(自身を含む): 4139226

約数和(自身を除く): 2733318

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 797, 882, 1594, 1764, 2391, 3188, 4782, 5579, 7173, 9564, 11158, 14346, 16737, 22316, 28692, 33474, 39053, 50211, 66948, 78106, 100422, 117159, 156212, 200844, 234318, 351477, 468636, 702954, 1405908]

約数ペア:

[(1, 1405908), (2, 702954), (3, 468636), (4, 351477), (6, 234318), (7, 200844), (9, 156212), (12, 117159), (14, 100422), (18, 78106), (21, 66948), (28, 50211), (36, 39053), (42, 33474), (49, 28692), (63, 22316), (84, 16737), (98, 14346), (126, 11158), (147, 9564), (196, 7173), (252, 5579), (294, 4782), (441, 3188), (588, 2391), (797, 1764), (882, 1594)]