8165115

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{23}}^2$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 17253600

約数和(自身を除く): 9088485

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 343, 345, 441, 483, 529, 735, 805, 1029, 1035, 1127, 1449, 1587, 1715, 2205, 2415, 2645, 3087, 3381, 3703, 4761, 5145, 5635, 7245, 7889, 7935, 10143, 11109, 15435, 16905, 18515, 23667, 23805, 25921, 33327, 39445, 50715, 55545, 71001, 77763, 118335, 129605, 166635, 181447, 233289, 355005, 388815, 544341, 907235, 1166445, 1633023, 2721705, 8165115]

約数ペア:

[(1, 8165115), (3, 2721705), (5, 1633023), (7, 1166445), (9, 907235), (15, 544341), (21, 388815), (23, 355005), (35, 233289), (45, 181447), (49, 166635), (63, 129605), (69, 118335), (105, 77763), (115, 71001), (147, 55545), (161, 50715), (207, 39445), (245, 33327), (315, 25921), (343, 23805), (345, 23667), (441, 18515), (483, 16905), (529, 15435), (735, 11109), (805, 10143), (1029, 7935), (1035, 7889), (1127, 7245), (1449, 5635), (1587, 5145), (1715, 4761), (2205, 3703), (2415, 3381), (2645, 3087)]