16955805

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 28191744

約数和(自身を除く): 11235939

約数列:

[1, 3, 5, 15, 37, 111, 137, 185, 223, 411, 555, 669, 685, 1115, 2055, 3345, 5069, 8251, 15207, 24753, 25345, 30551, 41255, 76035, 91653, 123765, 152755, 458265, 1130387, 3391161, 5651935, 16955805]

約数ペア:

[(1, 16955805), (3, 5651935), (5, 3391161), (15, 1130387), (37, 458265), (111, 152755), (137, 123765), (185, 91653), (223, 76035), (411, 41255), (555, 30551), (669, 25345), (685, 24753), (1115, 15207), (2055, 8251), (3345, 5069)]