1639202271

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{15671}}^1$

素因数の和:15991

約数の個数: 32

約数和(自身を含む): 2653959168

約数和(自身を除く): 1014756897

約数列:

[1, 3, 7, 17, 21, 51, 119, 293, 357, 879, 2051, 4981, 6153, 14943, 15671, 34867, 47013, 104601, 109697, 266407, 329091, 799221, 1864849, 4591603, 5594547, 13774809, 32141221, 78057251, 96423663, 234171753, 546400757, 1639202271]

約数ペア:

[(1, 1639202271), (3, 546400757), (7, 234171753), (17, 96423663), (21, 78057251), (51, 32141221), (119, 13774809), (293, 5594547), (357, 4591603), (879, 1864849), (2051, 799221), (4981, 329091), (6153, 266407), (14943, 109697), (15671, 104601), (34867, 47013)]