20161447245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{497261}}^1$

素因数の和:497342

約数の個数: 48

約数和(自身を含む): 37700415792

約数和(自身を除く): 17538968547

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 4505, 8109, 13515, 40545, 497261, 1491783, 2486305, 4475349, 7458915, 8453437, 22376745, 25360311, 26354833, 42267185, 76080933, 79064499, 126801555, 131774165, 237193497, 380404665, 395322495, 448032161, 1185967485, 1344096483, 2240160805, 4032289449, 6720482415, 20161447245]

約数ペア:

[(1, 20161447245), (3, 6720482415), (5, 4032289449), (9, 2240160805), (15, 1344096483), (17, 1185967485), (45, 448032161), (51, 395322495), (53, 380404665), (85, 237193497), (153, 131774165), (159, 126801555), (255, 79064499), (265, 76080933), (477, 42267185), (765, 26354833), (795, 25360311), (901, 22376745), (2385, 8453437), (2703, 7458915), (4505, 4475349), (8109, 2486305), (13515, 1491783), (40545, 497261)]