217619973

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{619}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 334800000

約数和(自身を除く): 117180027

約数列:

[1, 3, 9, 27, 29, 87, 261, 449, 619, 783, 1347, 1857, 4041, 5571, 12123, 13021, 16713, 17951, 39063, 53853, 117189, 161559, 277931, 351567, 484677, 833793, 2501379, 7504137, 8059999, 24179997, 72539991, 217619973]

約数ペア:

[(1, 217619973), (3, 72539991), (9, 24179997), (27, 8059999), (29, 7504137), (87, 2501379), (261, 833793), (449, 484677), (619, 351567), (783, 277931), (1347, 161559), (1857, 117189), (4041, 53853), (5571, 39063), (12123, 17951), (13021, 16713)]