1338813

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 2246400

約数和(自身を除く): 907587

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 269, 553, 711, 807, 1659, 1883, 2421, 4977, 5649, 16947, 21251, 63753, 148757, 191259, 446271, 1338813]

約数ペア:

[(1, 1338813), (3, 446271), (7, 191259), (9, 148757), (21, 63753), (63, 21251), (79, 16947), (237, 5649), (269, 4977), (553, 2421), (711, 1883), (807, 1659)]