1920291255

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1\times {\mathrm{587}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 3364583040

約数和(自身を除く): 1444291785

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 523, 587, 695, 1251, 1569, 1761, 2085, 2615, 2935, 4707, 5283, 6255, 7845, 8805, 23535, 26415, 72697, 81593, 218091, 244779, 307001, 363485, 407965, 654273, 734337, 921003, 1090455, 1223895, 1535005, 2763009, 3271365, 3671685, 4605015, 13815045, 42673139, 128019417, 213365695, 384058251, 640097085, 1920291255]

約数ペア:

[(1, 1920291255), (3, 640097085), (5, 384058251), (9, 213365695), (15, 128019417), (45, 42673139), (139, 13815045), (417, 4605015), (523, 3671685), (587, 3271365), (695, 2763009), (1251, 1535005), (1569, 1223895), (1761, 1090455), (2085, 921003), (2615, 734337), (2935, 654273), (4707, 407965), (5283, 363485), (6255, 307001), (7845, 244779), (8805, 218091), (23535, 81593), (26415, 72697)]