80728263

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{116491}}^1$

素因数の和:116515

約数の個数: 24

約数和(自身を含む): 145382016

約数和(自身を除く): 64653753

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 116491, 349473, 815437, 1048419, 1281401, 2446311, 3844203, 7338933, 8969807, 11532609, 26909421, 80728263]

約数ペア:

[(1, 80728263), (3, 26909421), (7, 11532609), (9, 8969807), (11, 7338933), (21, 3844203), (33, 2446311), (63, 1281401), (77, 1048419), (99, 815437), (231, 349473), (693, 116491)]