215945565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 390604032

約数和(自身を除く): 174658467

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 137, 165, 205, 233, 411, 451, 615, 685, 699, 1165, 1353, 1507, 2055, 2255, 2563, 3495, 4521, 5617, 6765, 7535, 7689, 9553, 12815, 16851, 22605, 28085, 28659, 31921, 38445, 47765, 61787, 84255, 95763, 105083, 143295, 159605, 185361, 308935, 315249, 351131, 478815, 525415, 926805, 1053393, 1308761, 1576245, 1755655, 3926283, 5266965, 6543805, 14396371, 19631415, 43189113, 71981855, 215945565]

約数ペア:

[(1, 215945565), (3, 71981855), (5, 43189113), (11, 19631415), (15, 14396371), (33, 6543805), (41, 5266965), (55, 3926283), (123, 1755655), (137, 1576245), (165, 1308761), (205, 1053393), (233, 926805), (411, 525415), (451, 478815), (615, 351131), (685, 315249), (699, 308935), (1165, 185361), (1353, 159605), (1507, 143295), (2055, 105083), (2255, 95763), (2563, 84255), (3495, 61787), (4521, 47765), (5617, 38445), (6765, 31921), (7535, 28659), (7689, 28085), (9553, 22605), (12815, 16851)]