13815801

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 21505536

約数和(自身を除く): 7689735

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 2153, 6417, 6459, 19377, 49519, 66743, 148557, 200229, 445671, 600687, 1535089, 4605267, 13815801]

約数ペア:

[(1, 13815801), (3, 4605267), (9, 1535089), (23, 600687), (31, 445671), (69, 200229), (93, 148557), (207, 66743), (279, 49519), (713, 19377), (2139, 6459), (2153, 6417)]