2920921479

素因数分解:

$3^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7841}}^1$

素因数の和:7939

約数の個数: 56

約数和(自身を含む): 5074213152

約数和(自身を除く): 2153291673

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 243, 511, 567, 657, 729, 1533, 1701, 1971, 4599, 5103, 5913, 7841, 13797, 17739, 23523, 41391, 53217, 54887, 70569, 124173, 164661, 211707, 372519, 493983, 572393, 635121, 1481949, 1717179, 1905363, 4006751, 4445847, 5151537, 5716089, 12020253, 13337541, 15454611, 36060759, 40012623, 46363833, 108182277, 139091499, 324546831, 417274497, 973640493, 2920921479]

約数ペア:

[(1, 2920921479), (3, 973640493), (7, 417274497), (9, 324546831), (21, 139091499), (27, 108182277), (63, 46363833), (73, 40012623), (81, 36060759), (189, 15454611), (219, 13337541), (243, 12020253), (511, 5716089), (567, 5151537), (657, 4445847), (729, 4006751), (1533, 1905363), (1701, 1717179), (1971, 1481949), (4599, 635121), (5103, 572393), (5913, 493983), (7841, 372519), (13797, 211707), (17739, 164661), (23523, 124173), (41391, 70569), (53217, 54887)]