730191609

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{399667}}^1$

素因数の和:399709

約数の個数: 24

約数和(自身を含む): 1246964160

約数和(自身を除く): 516772551

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 399667, 1199001, 2797669, 3597003, 8393007, 11590343, 25179021, 34771029, 81132401, 104313087, 243397203, 730191609]

約数ペア:

[(1, 730191609), (3, 243397203), (7, 104313087), (9, 81132401), (21, 34771029), (29, 25179021), (63, 11590343), (87, 8393007), (203, 3597003), (261, 2797669), (609, 1199001), (1827, 399667)]