28862565

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 48045312

約数和(自身を除く): 19182747

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 661, 1065, 1983, 2911, 3305, 8733, 9915, 14555, 27101, 43665, 46931, 81303, 135505, 140793, 234655, 406515, 703965, 1924171, 5772513, 9620855, 28862565]

約数ペア:

[(1, 28862565), (3, 9620855), (5, 5772513), (15, 1924171), (41, 703965), (71, 406515), (123, 234655), (205, 140793), (213, 135505), (355, 81303), (615, 46931), (661, 43665), (1065, 27101), (1983, 14555), (2911, 9915), (3305, 8733)]