919977993

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{10223}}^1$

素因数の和:10347

約数の個数: 40

約数和(自身を含む): 1514215296

約数和(自身を除く): 594237303

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 101, 297, 303, 891, 909, 1111, 2727, 3333, 8181, 9999, 10223, 29997, 30669, 89991, 92007, 112453, 276021, 337359, 828063, 1012077, 1032523, 3036231, 3097569, 9108693, 9292707, 11357753, 27878121, 34073259, 83634363, 102219777, 306659331, 919977993]

約数ペア:

[(1, 919977993), (3, 306659331), (9, 102219777), (11, 83634363), (27, 34073259), (33, 27878121), (81, 11357753), (99, 9292707), (101, 9108693), (297, 3097569), (303, 3036231), (891, 1032523), (909, 1012077), (1111, 828063), (2727, 337359), (3333, 276021), (8181, 112453), (9999, 92007), (10223, 89991), (29997, 30669)]