2988891423

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{2621}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 5157075456

約数和(自身を除く): 2168184033

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 787, 1449, 2361, 2621, 5509, 7083, 7863, 16527, 18101, 18347, 23589, 49581, 54303, 55041, 60283, 126707, 162909, 165123, 180849, 380121, 421981, 542547, 1140363, 1265943, 2062727, 3797829, 6188181, 14439089, 18564543, 43317267, 47442721, 129951801, 142328163, 332099047, 426984489, 996297141, 2988891423]

約数ペア:

[(1, 2988891423), (3, 996297141), (7, 426984489), (9, 332099047), (21, 142328163), (23, 129951801), (63, 47442721), (69, 43317267), (161, 18564543), (207, 14439089), (483, 6188181), (787, 3797829), (1449, 2062727), (2361, 1265943), (2621, 1140363), (5509, 542547), (7083, 421981), (7863, 380121), (16527, 180849), (18101, 165123), (18347, 162909), (23589, 126707), (49581, 60283), (54303, 55041)]