17959905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 36

約数和(自身を含む): 33093372

約数和(自身を除く): 15133467

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1381, 1445, 2601, 4143, 4335, 6905, 12429, 13005, 20715, 23477, 62145, 70431, 117385, 211293, 352155, 399109, 1056465, 1197327, 1995545, 3591981, 5986635, 17959905]

約数ペア:

[(1, 17959905), (3, 5986635), (5, 3591981), (9, 1995545), (15, 1197327), (17, 1056465), (45, 399109), (51, 352155), (85, 211293), (153, 117385), (255, 70431), (289, 62145), (765, 23477), (867, 20715), (1381, 13005), (1445, 12429), (2601, 6905), (4143, 4335)]