13222275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 25331712

約数和(自身を除く): 12109437

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 47, 55, 75, 93, 121, 141, 155, 165, 235, 275, 341, 363, 465, 517, 605, 705, 775, 825, 1023, 1175, 1457, 1551, 1705, 1815, 2325, 2585, 3025, 3525, 3751, 4371, 5115, 5687, 7285, 7755, 8525, 9075, 11253, 12925, 16027, 17061, 18755, 21855, 25575, 28435, 36425, 38775, 48081, 56265, 80135, 85305, 93775, 109275, 142175, 176297, 240405, 281325, 400675, 426525, 528891, 881485, 1202025, 2644455, 4407425, 13222275]

約数ペア:

[(1, 13222275), (3, 4407425), (5, 2644455), (11, 1202025), (15, 881485), (25, 528891), (31, 426525), (33, 400675), (47, 281325), (55, 240405), (75, 176297), (93, 142175), (121, 109275), (141, 93775), (155, 85305), (165, 80135), (235, 56265), (275, 48081), (341, 38775), (363, 36425), (465, 28435), (517, 25575), (605, 21855), (705, 18755), (775, 17061), (825, 16027), (1023, 12925), (1175, 11253), (1457, 9075), (1551, 8525), (1705, 7755), (1815, 7285), (2325, 5687), (2585, 5115), (3025, 4371), (3525, 3751)]