131178339

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 206949600

約数和(自身を除く): 75771261

約数列:

[1, 3, 9, 27, 29, 53, 87, 109, 159, 261, 327, 477, 783, 841, 981, 1431, 1537, 2523, 2943, 3161, 4611, 5777, 7569, 9483, 13833, 17331, 22707, 28449, 41499, 44573, 51993, 85347, 91669, 133719, 155979, 167533, 275007, 401157, 502599, 825021, 1203471, 1507797, 2475063, 4523391, 4858457, 14575371, 43726113, 131178339]

約数ペア:

[(1, 131178339), (3, 43726113), (9, 14575371), (27, 4858457), (29, 4523391), (53, 2475063), (87, 1507797), (109, 1203471), (159, 825021), (261, 502599), (327, 401157), (477, 275007), (783, 167533), (841, 155979), (981, 133719), (1431, 91669), (1537, 85347), (2523, 51993), (2943, 44573), (3161, 41499), (4611, 28449), (5777, 22707), (7569, 17331), (9483, 13833)]