28969929

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 42962400

約数和(自身を除く): 13992471

約数列:

[1, 3, 9, 67, 107, 201, 321, 449, 603, 963, 1347, 4041, 7169, 21507, 30083, 48043, 64521, 90249, 144129, 270747, 432387, 3218881, 9656643, 28969929]

約数ペア:

[(1, 28969929), (3, 9656643), (9, 3218881), (67, 432387), (107, 270747), (201, 144129), (321, 90249), (449, 64521), (603, 48043), (963, 30083), (1347, 21507), (4041, 7169)]