7215831

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 12408320

約数和(自身を除く): 5192489

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 523, 657, 1533, 1569, 1971, 3661, 4599, 4707, 10983, 13797, 14121, 32949, 38179, 98847, 114537, 267253, 343611, 801759, 1030833, 2405277, 7215831]

約数ペア:

[(1, 7215831), (3, 2405277), (7, 1030833), (9, 801759), (21, 343611), (27, 267253), (63, 114537), (73, 98847), (189, 38179), (219, 32949), (511, 14121), (523, 13797), (657, 10983), (1533, 4707), (1569, 4599), (1971, 3661)]