25815993

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 40711680

約数和(自身を除く): 14895687

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2879, 2989, 8637, 8967, 20153, 60459, 141071, 175619, 423213, 526857, 1229333, 3687999, 8605331, 25815993]

約数ペア:

[(1, 25815993), (3, 8605331), (7, 3687999), (21, 1229333), (49, 526857), (61, 423213), (147, 175619), (183, 141071), (427, 60459), (1281, 20153), (2879, 8967), (2989, 8637)]