213607515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41761}}^1$

素因数の和:41811

約数の個数: 32

約数和(自身を含む): 384878592

約数和(自身を除く): 171271077

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 41761, 125283, 208805, 459371, 626415, 1294591, 1378113, 2296855, 3883773, 6472955, 6890565, 14240501, 19418865, 42721503, 71202505, 213607515]

約数ペア:

[(1, 213607515), (3, 71202505), (5, 42721503), (11, 19418865), (15, 14240501), (31, 6890565), (33, 6472955), (55, 3883773), (93, 2296855), (155, 1378113), (165, 1294591), (341, 626415), (465, 459371), (1023, 208805), (1705, 125283), (5115, 41761)]