1145781

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 2038400

約数和(自身を除く): 892619

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1399, 4197, 9793, 12591, 18187, 29379, 54561, 88137, 127309, 163683, 381927, 1145781]

約数ペア:

[(1, 1145781), (3, 381927), (7, 163683), (9, 127309), (13, 88137), (21, 54561), (39, 29379), (63, 18187), (91, 12591), (117, 9793), (273, 4197), (819, 1399)]