781502013

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{182041}}^1$

素因数の和:182106

約数の個数: 20

約数和(自身を含む): 1189462428

約数和(自身を除く): 407960415

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 182041, 546123, 1638369, 4915107, 9648173, 14745321, 28944519, 86833557, 260500671, 781502013]

約数ペア:

[(1, 781502013), (3, 260500671), (9, 86833557), (27, 28944519), (53, 14745321), (81, 9648173), (159, 4915107), (477, 1638369), (1431, 546123), (4293, 182041)]