399681933

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{268063}}^1$

素因数の和:268144

約数の個数: 16

約数和(自身を含む): 617619456

約数和(自身を除く): 217937523

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 268063, 804189, 1876441, 5629323, 19032473, 57097419, 133227311, 399681933]

約数ペア:

[(1, 399681933), (3, 133227311), (7, 57097419), (21, 19032473), (71, 5629323), (213, 1876441), (497, 804189), (1491, 268063)]