217366905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{90007}}^1$

素因数の和:90045

約数の個数: 32

約数和(自身を含む): 414756864

約数和(自身を除く): 197389959

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 90007, 270021, 450035, 630049, 1350105, 1890147, 2070161, 3150245, 6210483, 9450735, 10350805, 14491127, 31052415, 43473381, 72455635, 217366905]

約数ペア:

[(1, 217366905), (3, 72455635), (5, 43473381), (7, 31052415), (15, 14491127), (21, 10350805), (23, 9450735), (35, 6210483), (69, 3150245), (105, 2070161), (115, 1890147), (161, 1350105), (345, 630049), (483, 450035), (805, 270021), (2415, 90007)]