23712705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 20316735

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 139, 153, 223, 255, 417, 669, 695, 765, 1115, 1251, 2007, 2085, 2363, 3345, 3791, 6255, 7089, 10035, 11373, 11815, 18955, 21267, 30997, 34119, 35445, 56865, 92991, 106335, 154985, 170595, 278973, 464955, 526949, 1394865, 1580847, 2634745, 4742541, 7904235, 23712705]

約数ペア:

[(1, 23712705), (3, 7904235), (5, 4742541), (9, 2634745), (15, 1580847), (17, 1394865), (45, 526949), (51, 464955), (85, 278973), (139, 170595), (153, 154985), (223, 106335), (255, 92991), (417, 56865), (669, 35445), (695, 34119), (765, 30997), (1115, 21267), (1251, 18955), (2007, 11815), (2085, 11373), (2363, 10035), (3345, 7089), (3791, 6255)]