11871915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 21654528

約数和(自身を除く): 9782613

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 211, 341, 363, 465, 605, 633, 1023, 1055, 1705, 1815, 2321, 3165, 3751, 5115, 6541, 6963, 11253, 11605, 18755, 19623, 25531, 32705, 34815, 56265, 71951, 76593, 98115, 127655, 215853, 359755, 382965, 791461, 1079265, 2374383, 3957305, 11871915]

約数ペア:

[(1, 11871915), (3, 3957305), (5, 2374383), (11, 1079265), (15, 791461), (31, 382965), (33, 359755), (55, 215853), (93, 127655), (121, 98115), (155, 76593), (165, 71951), (211, 56265), (341, 34815), (363, 32705), (465, 25531), (605, 19623), (633, 18755), (1023, 11605), (1055, 11253), (1705, 6963), (1815, 6541), (2321, 5115), (3165, 3751)]