76081257

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 129662208

約数和(自身を除く): 53580951

約数列:

[1, 3, 7, 9, 21, 63, 71, 73, 213, 219, 233, 497, 511, 639, 657, 699, 1491, 1533, 1631, 2097, 4473, 4599, 4893, 5183, 14679, 15549, 16543, 17009, 36281, 46647, 49629, 51027, 108843, 115801, 119063, 148887, 153081, 326529, 347403, 357189, 1042209, 1071567, 1207639, 3622917, 8453473, 10868751, 25360419, 76081257]

約数ペア:

[(1, 76081257), (3, 25360419), (7, 10868751), (9, 8453473), (21, 3622917), (63, 1207639), (71, 1071567), (73, 1042209), (213, 357189), (219, 347403), (233, 326529), (497, 153081), (511, 148887), (639, 119063), (657, 115801), (699, 108843), (1491, 51027), (1533, 49629), (1631, 46647), (2097, 36281), (4473, 17009), (4599, 16543), (4893, 15549), (5183, 14679)]