87890295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2251}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 149172480

約数和(自身を除く): 61282185

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 2055, 2251, 2603, 6753, 7809, 11255, 13015, 33765, 39045, 42769, 128307, 213845, 308387, 641535, 925161, 1541935, 4625805, 5859353, 17578059, 29296765, 87890295]

約数ペア:

[(1, 87890295), (3, 29296765), (5, 17578059), (15, 5859353), (19, 4625805), (57, 1541935), (95, 925161), (137, 641535), (285, 308387), (411, 213845), (685, 128307), (2055, 42769), (2251, 39045), (2603, 33765), (6753, 13015), (7809, 11255)]