16916805

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 30781296

約数和(自身を除く): 13864491

約数列:

[1, 3, 5, 9, 15, 41, 45, 53, 123, 159, 173, 205, 265, 369, 477, 519, 615, 795, 865, 1557, 1845, 2173, 2385, 2595, 6519, 7093, 7785, 9169, 10865, 19557, 21279, 27507, 32595, 35465, 45845, 63837, 82521, 97785, 106395, 137535, 319185, 375929, 412605, 1127787, 1879645, 3383361, 5638935, 16916805]

約数ペア:

[(1, 16916805), (3, 5638935), (5, 3383361), (9, 1879645), (15, 1127787), (41, 412605), (45, 375929), (53, 319185), (123, 137535), (159, 106395), (173, 97785), (205, 82521), (265, 63837), (369, 45845), (477, 35465), (519, 32595), (615, 27507), (795, 21279), (865, 19557), (1557, 10865), (1845, 9169), (2173, 7785), (2385, 7093), (2595, 6519)]