81389763

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99377}}^1$

素因数の和:99403

約数の個数: 24

約数和(自身を含む): 144694368

約数和(自身を除く): 63304605

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 99377, 298131, 695639, 894393, 1291901, 2086917, 3875703, 6260751, 9043307, 11627109, 27129921, 81389763]

約数ペア:

[(1, 81389763), (3, 27129921), (7, 11627109), (9, 9043307), (13, 6260751), (21, 3875703), (39, 2086917), (63, 1291901), (91, 894393), (117, 695639), (273, 298131), (819, 99377)]