15658515

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 30021552

約数和(自身を除く): 14363037

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 81, 115, 123, 135, 205, 207, 345, 369, 405, 615, 621, 943, 1035, 1107, 1681, 1845, 1863, 2829, 3105, 3321, 4715, 5043, 5535, 8405, 8487, 9315, 14145, 15129, 16605, 25215, 25461, 38663, 42435, 45387, 75645, 76383, 115989, 127305, 136161, 193315, 226935, 347967, 381915, 579945, 680805, 1043901, 1739835, 3131703, 5219505, 15658515]

約数ペア:

[(1, 15658515), (3, 5219505), (5, 3131703), (9, 1739835), (15, 1043901), (23, 680805), (27, 579945), (41, 381915), (45, 347967), (69, 226935), (81, 193315), (115, 136161), (123, 127305), (135, 115989), (205, 76383), (207, 75645), (345, 45387), (369, 42435), (405, 38663), (615, 25461), (621, 25215), (943, 16605), (1035, 15129), (1107, 14145), (1681, 9315), (1845, 8487), (1863, 8405), (2829, 5535), (3105, 5043), (3321, 4715)]