18245115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 19770885

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 449, 645, 903, 945, 1161, 1347, 1505, 1935, 2245, 2709, 3143, 4041, 4515, 5805, 6735, 8127, 9429, 12123, 13545, 15715, 19307, 20205, 28287, 40635, 47145, 57921, 60615, 84861, 96535, 135149, 141435, 173763, 289605, 405447, 424305, 521289, 675745, 868815, 1216341, 2027235, 2606445, 3649023, 6081705, 18245115]

約数ペア:

[(1, 18245115), (3, 6081705), (5, 3649023), (7, 2606445), (9, 2027235), (15, 1216341), (21, 868815), (27, 675745), (35, 521289), (43, 424305), (45, 405447), (63, 289605), (105, 173763), (129, 141435), (135, 135149), (189, 96535), (215, 84861), (301, 60615), (315, 57921), (387, 47145), (449, 40635), (645, 28287), (903, 20205), (945, 19307), (1161, 15715), (1347, 13545), (1505, 12123), (1935, 9429), (2245, 8127), (2709, 6735), (3143, 5805), (4041, 4515)]