815661

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 1493856

約数和(自身を除く): 678195

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 121, 231, 321, 363, 693, 749, 847, 963, 1089, 1177, 2247, 2541, 3531, 6741, 7623, 8239, 10593, 12947, 24717, 38841, 74151, 90629, 116523, 271887, 815661]

約数ペア:

[(1, 815661), (3, 271887), (7, 116523), (9, 90629), (11, 74151), (21, 38841), (33, 24717), (63, 12947), (77, 10593), (99, 8239), (107, 7623), (121, 6741), (231, 3531), (321, 2541), (363, 2247), (693, 1177), (749, 1089), (847, 963)]