28931025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22691}}^1$

素因数の和:22721

約数の個数: 24

約数和(自身を含む): 50648544

約数和(自身を除く): 21717519

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22691, 68073, 113455, 340365, 385747, 567275, 1157241, 1701825, 1928735, 5786205, 9643675, 28931025]

約数ペア:

[(1, 28931025), (3, 9643675), (5, 5786205), (15, 1928735), (17, 1701825), (25, 1157241), (51, 567275), (75, 385747), (85, 340365), (255, 113455), (425, 68073), (1275, 22691)]