981034145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{308017}}^1$

素因数の和:308049

約数の個数: 24

約数和(自身を含む): 1474790184

約数和(自身を除く): 493756039

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 308017, 1540085, 2156119, 4004221, 10780595, 15092833, 20021105, 28029547, 75464165, 140147735, 196206829, 981034145]

約数ペア:

[(1, 981034145), (5, 196206829), (7, 140147735), (13, 75464165), (35, 28029547), (49, 20021105), (65, 15092833), (91, 10780595), (245, 4004221), (455, 2156119), (637, 1540085), (3185, 308017)]