399978987

素因数分解:

$3^1\times {\mathrm{367}}^1\times {\mathrm{433}}^1\times {\mathrm{839}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 536632320

約数和(自身を除く): 136653333

約数列:

[1, 3, 367, 433, 839, 1101, 1299, 2517, 158911, 307913, 363287, 476733, 923739, 1089861, 133326329, 399978987]

約数ペア:

[(1, 399978987), (3, 133326329), (367, 1089861), (433, 923739), (839, 476733), (1101, 363287), (1299, 307913), (2517, 158911)]