27454905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 50656320

約数和(自身を除く): 23201415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 163, 171, 197, 285, 489, 591, 815, 855, 985, 1467, 1773, 2445, 2955, 3097, 3743, 7335, 8865, 9291, 11229, 15485, 18715, 27873, 32111, 33687, 46455, 56145, 96333, 139365, 160555, 168435, 288999, 481665, 610109, 1444995, 1830327, 3050545, 5490981, 9151635, 27454905]

約数ペア:

[(1, 27454905), (3, 9151635), (5, 5490981), (9, 3050545), (15, 1830327), (19, 1444995), (45, 610109), (57, 481665), (95, 288999), (163, 168435), (171, 160555), (197, 139365), (285, 96333), (489, 56145), (591, 46455), (815, 33687), (855, 32111), (985, 27873), (1467, 18715), (1773, 15485), (2445, 11229), (2955, 9291), (3097, 8865), (3743, 7335)]