13205475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3089}}^1$

素因数の和:3124

約数の個数: 36

約数和(自身を含む): 24905400

約数和(自身を除く): 11699925

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 3089, 4275, 9267, 15445, 27801, 46335, 58691, 77225, 139005, 176073, 231675, 293455, 528219, 695025, 880365, 1467275, 2641095, 4401825, 13205475]

約数ペア:

[(1, 13205475), (3, 4401825), (5, 2641095), (9, 1467275), (15, 880365), (19, 695025), (25, 528219), (45, 293455), (57, 231675), (75, 176073), (95, 139005), (171, 77225), (225, 58691), (285, 46335), (475, 27801), (855, 15445), (1425, 9267), (3089, 4275)]