2001569199

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{52981}}^1$

素因数の和:53255

約数の個数: 24

約数和(自身を含む): 3116613168

約数和(自身を除く): 1115043969

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 5397, 12593, 37779, 52981, 158943, 370867, 1112601, 2596069, 7788207, 13616117, 40848351, 95312819, 285938457, 667189733, 2001569199]

約数ペア:

[(1, 2001569199), (3, 667189733), (7, 285938457), (21, 95312819), (49, 40848351), (147, 13616117), (257, 7788207), (771, 2596069), (1799, 1112601), (5397, 370867), (12593, 158943), (37779, 52981)]