66671991

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 103428864

約数和(自身を除く): 36756873

約数列:

[1, 3, 9, 27, 47, 81, 83, 141, 211, 249, 423, 633, 747, 1269, 1899, 2241, 3807, 3901, 5697, 6723, 9917, 11703, 17091, 17513, 29751, 35109, 52539, 89253, 105327, 157617, 267759, 315981, 472851, 803277, 823111, 1418553, 2469333, 7407999, 22223997, 66671991]

約数ペア:

[(1, 66671991), (3, 22223997), (9, 7407999), (27, 2469333), (47, 1418553), (81, 823111), (83, 803277), (141, 472851), (211, 315981), (249, 267759), (423, 157617), (633, 105327), (747, 89253), (1269, 52539), (1899, 35109), (2241, 29751), (3807, 17513), (3901, 17091), (5697, 11703), (6723, 9917)]