2805759

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 4739328

約数和(自身を除く): 1933569

約数列:

[1, 3, 9, 11, 27, 33, 47, 67, 81, 99, 141, 201, 297, 423, 517, 603, 737, 891, 1269, 1551, 1809, 2211, 3149, 3807, 4653, 5427, 6633, 9447, 13959, 19899, 28341, 34639, 41877, 59697, 85023, 103917, 255069, 311751, 935253, 2805759]

約数ペア:

[(1, 2805759), (3, 935253), (9, 311751), (11, 255069), (27, 103917), (33, 85023), (47, 59697), (67, 41877), (81, 34639), (99, 28341), (141, 19899), (201, 13959), (297, 9447), (423, 6633), (517, 5427), (603, 4653), (737, 3807), (891, 3149), (1269, 2211), (1551, 1809)]