16219275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12751

約数の個数: 24

約数和(自身を含む): 28395504

約数和(自身を除く): 12176229

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 12721, 38163, 63605, 190815, 216257, 318025, 648771, 954075, 1081285, 3243855, 5406425, 16219275]

約数ペア:

[(1, 16219275), (3, 5406425), (5, 3243855), (15, 1081285), (17, 954075), (25, 648771), (51, 318025), (75, 216257), (85, 190815), (255, 63605), (425, 38163), (1275, 12721)]