181321575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 322050816

約数和(自身を除く): 140729241

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 1065, 1207, 1275, 1775, 2003, 3621, 5325, 6009, 6035, 10015, 18105, 30045, 30175, 34051, 50075, 90525, 102153, 142213, 150225, 170255, 426639, 510765, 711065, 851275, 2133195, 2417621, 2553825, 3555325, 7252863, 10665975, 12088105, 36264315, 60440525, 181321575]

約数ペア:

[(1, 181321575), (3, 60440525), (5, 36264315), (15, 12088105), (17, 10665975), (25, 7252863), (51, 3555325), (71, 2553825), (75, 2417621), (85, 2133195), (213, 851275), (255, 711065), (355, 510765), (425, 426639), (1065, 170255), (1207, 150225), (1275, 142213), (1775, 102153), (2003, 90525), (3621, 50075), (5325, 34051), (6009, 30175), (6035, 30045), (10015, 18105)]