8191995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 15237120

約数和(自身を除く): 7045125

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1279, 1281, 2135, 3837, 6395, 6405, 8953, 19185, 26859, 44765, 78019, 134295, 234057, 390095, 546133, 1170285, 1638399, 2730665, 8191995]

約数ペア:

[(1, 8191995), (3, 2730665), (5, 1638399), (7, 1170285), (15, 546133), (21, 390095), (35, 234057), (61, 134295), (105, 78019), (183, 44765), (305, 26859), (427, 19185), (915, 8953), (1279, 6405), (1281, 6395), (2135, 3837)]