80761815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 149262048

約数和(自身を除く): 68500233

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 193, 255, 547, 579, 765, 965, 1641, 1737, 2735, 2895, 3281, 4923, 8205, 8685, 9299, 9843, 16405, 24615, 27897, 29529, 46495, 49215, 83691, 105571, 139485, 147645, 316713, 418455, 527855, 950139, 1583565, 1794707, 4750695, 5384121, 8973535, 16152363, 26920605, 80761815]

約数ペア:

[(1, 80761815), (3, 26920605), (5, 16152363), (9, 8973535), (15, 5384121), (17, 4750695), (45, 1794707), (51, 1583565), (85, 950139), (153, 527855), (193, 418455), (255, 316713), (547, 147645), (579, 139485), (765, 105571), (965, 83691), (1641, 49215), (1737, 46495), (2735, 29529), (2895, 27897), (3281, 24615), (4923, 16405), (8205, 9843), (8685, 9299)]