18801447

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 29548800

約数和(自身を除く): 10747353

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1619, 1659, 3871, 4857, 11333, 11613, 33999, 79331, 127901, 237993, 383703, 895307, 2685921, 6267149, 18801447]

約数ペア:

[(1, 18801447), (3, 6267149), (7, 2685921), (21, 895307), (49, 383703), (79, 237993), (147, 127901), (237, 79331), (553, 33999), (1619, 11613), (1659, 11333), (3871, 4857)]