28340697

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 19398183

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1553, 1659, 2607, 4659, 6083, 10871, 17083, 18249, 32613, 51249, 119581, 122687, 358743, 368061, 858809, 1349557, 2576427, 4048671, 9446899, 28340697]

約数ペア:

[(1, 28340697), (3, 9446899), (7, 4048671), (11, 2576427), (21, 1349557), (33, 858809), (77, 368061), (79, 358743), (231, 122687), (237, 119581), (553, 51249), (869, 32613), (1553, 18249), (1659, 17083), (2607, 10871), (4659, 6083)]