70581609

素因数分解:

$3^2\times 7^2\times {\mathrm{160049}}^1$

素因数の和:160069

約数の個数: 18

約数和(自身を含む): 118597050

約数和(自身を除く): 48015441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 160049, 480147, 1120343, 1440441, 3361029, 7842401, 10083087, 23527203, 70581609]

約数ペア:

[(1, 70581609), (3, 23527203), (7, 10083087), (9, 7842401), (21, 3361029), (49, 1440441), (63, 1120343), (147, 480147), (441, 160049)]