12742515

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 23208768

約数和(自身を除く): 10466253

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 431, 657, 1095, 1293, 1971, 2155, 3285, 3879, 5913, 6465, 9855, 11637, 19395, 29565, 31463, 34911, 58185, 94389, 157315, 174555, 283167, 471945, 849501, 1415835, 2548503, 4247505, 12742515]

約数ペア:

[(1, 12742515), (3, 4247505), (5, 2548503), (9, 1415835), (15, 849501), (27, 471945), (45, 283167), (73, 174555), (81, 157315), (135, 94389), (219, 58185), (365, 34911), (405, 31463), (431, 29565), (657, 19395), (1095, 11637), (1293, 9855), (1971, 6465), (2155, 5913), (3285, 3879)]