887186307

素因数分解:

$3^1\times 7^4\times {\mathrm{123169}}^1$

素因数の和:123200

約数の個数: 20

約数和(自身を含む): 1379996680

約数和(自身を除く): 492810373

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 123169, 369507, 862183, 2586549, 6035281, 18105843, 42246967, 126740901, 295728769, 887186307]

約数ペア:

[(1, 887186307), (3, 295728769), (7, 126740901), (21, 42246967), (49, 18105843), (147, 6035281), (343, 2586549), (1029, 862183), (2401, 369507), (7203, 123169)]