842751

素因数分解:

$3^3\times 7^4\times {\mathrm{13}}^1$

素因数の和:50

約数の個数: 40

約数和(自身を含む): 1568560

約数和(自身を除く): 725809

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 343, 351, 441, 637, 819, 1029, 1323, 1911, 2401, 2457, 3087, 4459, 5733, 7203, 9261, 13377, 17199, 21609, 31213, 40131, 64827, 93639, 120393, 280917, 842751]

約数ペア:

[(1, 842751), (3, 280917), (7, 120393), (9, 93639), (13, 64827), (21, 40131), (27, 31213), (39, 21609), (49, 17199), (63, 13377), (91, 9261), (117, 7203), (147, 5733), (189, 4459), (273, 3087), (343, 2457), (351, 2401), (441, 1911), (637, 1323), (819, 1029)]