1284777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 2038400

約数和(自身を除く): 753623

約数列:

[1, 3, 9, 13, 39, 79, 117, 139, 237, 417, 711, 1027, 1251, 1807, 3081, 5421, 9243, 10981, 16263, 32943, 98829, 142753, 428259, 1284777]

約数ペア:

[(1, 1284777), (3, 428259), (9, 142753), (13, 98829), (39, 32943), (79, 16263), (117, 10981), (139, 9243), (237, 5421), (417, 3081), (711, 1807), (1027, 1251)]