11881821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 19317760

約数和(自身を除く): 7435939

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 307, 399, 679, 921, 1843, 2037, 2149, 5529, 5833, 6447, 12901, 17499, 29779, 38703, 40831, 89337, 122493, 208453, 565801, 625359, 1697403, 3960607, 11881821]

約数ペア:

[(1, 11881821), (3, 3960607), (7, 1697403), (19, 625359), (21, 565801), (57, 208453), (97, 122493), (133, 89337), (291, 40831), (307, 38703), (399, 29779), (679, 17499), (921, 12901), (1843, 6447), (2037, 5833), (2149, 5529)]