181489905

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 320823360

約数和(自身を除く): 139333455

約数列:

[1, 3, 5, 9, 15, 45, 109, 163, 227, 327, 489, 545, 681, 815, 981, 1135, 1467, 1635, 2043, 2445, 3405, 4905, 7335, 10215, 17767, 24743, 37001, 53301, 74229, 88835, 111003, 123715, 159903, 185005, 222687, 266505, 333009, 371145, 555015, 799515, 1113435, 1665045, 4033109, 12099327, 20165545, 36297981, 60496635, 181489905]

約数ペア:

[(1, 181489905), (3, 60496635), (5, 36297981), (9, 20165545), (15, 12099327), (45, 4033109), (109, 1665045), (163, 1113435), (227, 799515), (327, 555015), (489, 371145), (545, 333009), (681, 266505), (815, 222687), (981, 185005), (1135, 159903), (1467, 123715), (1635, 111003), (2043, 88835), (2445, 74229), (3405, 53301), (4905, 37001), (7335, 24743), (10215, 17767)]