31887189

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 56

約数和(自身を含む): 52883712

約数和(自身を除く): 20996523

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 83, 93, 153, 243, 249, 279, 459, 527, 729, 747, 837, 1377, 1411, 1581, 2241, 2511, 2573, 4131, 4233, 4743, 6723, 7533, 7719, 12393, 12699, 14229, 20169, 22599, 23157, 38097, 42687, 43741, 60507, 69471, 114291, 128061, 131223, 208413, 342873, 384183, 393669, 625239, 1028619, 1181007, 1875717, 3543021, 10629063, 31887189]

約数ペア:

[(1, 31887189), (3, 10629063), (9, 3543021), (17, 1875717), (27, 1181007), (31, 1028619), (51, 625239), (81, 393669), (83, 384183), (93, 342873), (153, 208413), (243, 131223), (249, 128061), (279, 114291), (459, 69471), (527, 60507), (729, 43741), (747, 42687), (837, 38097), (1377, 23157), (1411, 22599), (1581, 20169), (2241, 14229), (2511, 12699), (2573, 12393), (4131, 7719), (4233, 7533), (4743, 6723)]