216966915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{39847}}^1$

素因数の和:39880

約数の個数: 36

約数和(自身を含む): 413383152

約数和(自身を除く): 196416237

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445, 39847, 119541, 199235, 358623, 438317, 597705, 1314951, 1793115, 2191585, 3944853, 4821487, 6574755, 14464461, 19724265, 24107435, 43393383, 72322305, 216966915]

約数ペア:

[(1, 216966915), (3, 72322305), (5, 43393383), (9, 24107435), (11, 19724265), (15, 14464461), (33, 6574755), (45, 4821487), (55, 3944853), (99, 2191585), (121, 1793115), (165, 1314951), (363, 597705), (495, 438317), (605, 358623), (1089, 199235), (1815, 119541), (5445, 39847)]