28442589

素因数分解:

$3^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 44774400

約数和(自身を除く): 16331811

約数列:

[1, 3, 7, 21, 49, 131, 147, 211, 343, 393, 633, 917, 1029, 1477, 2751, 4431, 6419, 10339, 19257, 27641, 31017, 44933, 72373, 82923, 134799, 193487, 217119, 580461, 1354409, 4063227, 9480863, 28442589]

約数ペア:

[(1, 28442589), (3, 9480863), (7, 4063227), (21, 1354409), (49, 580461), (131, 217119), (147, 193487), (211, 134799), (343, 82923), (393, 72373), (633, 44933), (917, 31017), (1029, 27641), (1477, 19257), (2751, 10339), (4431, 6419)]