1660815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 3302208

約数和(自身を除く): 1641393

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 167, 195, 221, 255, 501, 585, 663, 765, 835, 1105, 1503, 1989, 2171, 2505, 2839, 3315, 6513, 7515, 8517, 9945, 10855, 14195, 19539, 25551, 32565, 36907, 42585, 97695, 110721, 127755, 184535, 332163, 553605, 1660815]

約数ペア:

[(1, 1660815), (3, 553605), (5, 332163), (9, 184535), (13, 127755), (15, 110721), (17, 97695), (39, 42585), (45, 36907), (51, 32565), (65, 25551), (85, 19539), (117, 14195), (153, 10855), (167, 9945), (195, 8517), (221, 7515), (255, 6513), (501, 3315), (585, 2839), (663, 2505), (765, 2171), (835, 1989), (1105, 1503)]