27972861

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2111}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 42713088

約数和(自身を除く): 14740227

約数列:

[1, 3, 7, 21, 631, 1893, 2111, 4417, 6333, 13251, 14777, 44331, 1332041, 3996123, 9324287, 27972861]

約数ペア:

[(1, 27972861), (3, 9324287), (7, 3996123), (21, 1332041), (631, 44331), (1893, 14777), (2111, 13251), (4417, 6333)]