28877985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12614

約数の個数: 32

約数和(自身を含む): 54362880

約数和(自身を除く): 25484895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 12583, 37749, 62915, 113247, 188745, 213911, 339741, 566235, 641733, 1069555, 1698705, 1925199, 3208665, 5775597, 9625995, 28877985]

約数ペア:

[(1, 28877985), (3, 9625995), (5, 5775597), (9, 3208665), (15, 1925199), (17, 1698705), (27, 1069555), (45, 641733), (51, 566235), (85, 339741), (135, 213911), (153, 188745), (255, 113247), (459, 62915), (765, 37749), (2295, 12583)]