72725751

素因数分解:

$3^2\times 7^2\times {\mathrm{164911}}^1$

素因数の和:164931

約数の個数: 18

約数和(自身を含む): 122199792

約数和(自身を除く): 49474041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 164911, 494733, 1154377, 1484199, 3463131, 8080639, 10389393, 24241917, 72725751]

約数ペア:

[(1, 72725751), (3, 24241917), (7, 10389393), (9, 8080639), (21, 3463131), (49, 1484199), (63, 1154377), (147, 494733), (441, 164911)]