16656471

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 26720928

約数和(自身を除く): 10064457

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 233, 423, 507, 611, 699, 1521, 1833, 2097, 3029, 5499, 7943, 9087, 10951, 23829, 27261, 32853, 39377, 71487, 98559, 118131, 142363, 354393, 427089, 1281267, 1850719, 5552157, 16656471]

約数ペア:

[(1, 16656471), (3, 5552157), (9, 1850719), (13, 1281267), (39, 427089), (47, 354393), (117, 142363), (141, 118131), (169, 98559), (233, 71487), (423, 39377), (507, 32853), (611, 27261), (699, 23829), (1521, 10951), (1833, 9087), (2097, 7943), (3029, 5499)]