16521345

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5171}}^1$

素因数の和:5253

約数の個数: 24

約数和(自身を含む): 29045952

約数和(自身を除く): 12524607

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5171, 15513, 25855, 46539, 77565, 232695, 367141, 1101423, 1835705, 3304269, 5507115, 16521345]

約数ペア:

[(1, 16521345), (3, 5507115), (5, 3304269), (9, 1835705), (15, 1101423), (45, 367141), (71, 232695), (213, 77565), (355, 46539), (639, 25855), (1065, 15513), (3195, 5171)]