219655821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9803}}^1$

素因数の和:9921

約数の個数: 32

約数和(自身を含む): 368944128

約数和(自身を除く): 149288307

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 2037, 3201, 7469, 9803, 22407, 29409, 68621, 107833, 205863, 323499, 754831, 950891, 2264493, 2852673, 6656237, 10459801, 19968711, 31379403, 73218607, 219655821]

約数ペア:

[(1, 219655821), (3, 73218607), (7, 31379403), (11, 19968711), (21, 10459801), (33, 6656237), (77, 2852673), (97, 2264493), (231, 950891), (291, 754831), (679, 323499), (1067, 205863), (2037, 107833), (3201, 68621), (7469, 29409), (9803, 22407)]