16982865

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2243

約数の個数: 40

約数和(自身を含む): 32060160

約数和(自身を除く): 15077295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2207, 2565, 6621, 7695, 11035, 19863, 33105, 41933, 59589, 99315, 125799, 178767, 209665, 297945, 377397, 628995, 893835, 1132191, 1886985, 3396573, 5660955, 16982865]

約数ペア:

[(1, 16982865), (3, 5660955), (5, 3396573), (9, 1886985), (15, 1132191), (19, 893835), (27, 628995), (45, 377397), (57, 297945), (81, 209665), (95, 178767), (135, 125799), (171, 99315), (285, 59589), (405, 41933), (513, 33105), (855, 19863), (1539, 11035), (2207, 7695), (2565, 6621)]