9908025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 18302400

約数和(自身を除く): 8394375

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 409, 425, 475, 969, 1227, 1275, 1425, 1615, 2045, 4845, 6135, 6953, 7771, 8075, 10225, 20859, 23313, 24225, 30675, 34765, 38855, 104295, 116565, 132107, 173825, 194275, 396321, 521475, 582825, 660535, 1981605, 3302675, 9908025]

約数ペア:

[(1, 9908025), (3, 3302675), (5, 1981605), (15, 660535), (17, 582825), (19, 521475), (25, 396321), (51, 194275), (57, 173825), (75, 132107), (85, 116565), (95, 104295), (255, 38855), (285, 34765), (323, 30675), (409, 24225), (425, 23313), (475, 20859), (969, 10225), (1227, 8075), (1275, 7771), (1425, 6953), (1615, 6135), (2045, 4845)]