155565921

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{121441}}^1$

素因数の和:121512

約数の個数: 16

約数和(自身を含む): 240940928

約数和(自身を除く): 85375007

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 121441, 364323, 850087, 2550261, 7407901, 22223703, 51855307, 155565921]

約数ペア:

[(1, 155565921), (3, 51855307), (7, 22223703), (21, 7407901), (61, 2550261), (183, 850087), (427, 364323), (1281, 121441)]