19681575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9049}}^1$

素因数の和:9091

約数の個数: 24

約数和(自身を含む): 33666000

約数和(自身を除く): 13984425

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9049, 27147, 45245, 135735, 226225, 262421, 678675, 787263, 1312105, 3936315, 6560525, 19681575]

約数ペア:

[(1, 19681575), (3, 6560525), (5, 3936315), (15, 1312105), (25, 787263), (29, 678675), (75, 262421), (87, 226225), (145, 135735), (435, 45245), (725, 27147), (2175, 9049)]