815865981

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{3529}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 1267411200

約数和(自身を除く): 451545219

約数列:

[1, 3, 7, 21, 101, 109, 303, 327, 707, 763, 2121, 2289, 3529, 10587, 11009, 24703, 33027, 74109, 77063, 231189, 356429, 384661, 1069287, 1153983, 2495003, 2692627, 7485009, 8077881, 38850761, 116552283, 271955327, 815865981]

約数ペア:

[(1, 815865981), (3, 271955327), (7, 116552283), (21, 38850761), (101, 8077881), (109, 7485009), (303, 2692627), (327, 2495003), (707, 1153983), (763, 1069287), (2121, 384661), (2289, 356429), (3529, 231189), (10587, 77063), (11009, 74109), (24703, 33027)]