281623293

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 487618560

約数和(自身を除く): 205995267

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 263, 483, 739, 789, 1449, 1841, 2217, 2367, 5173, 5523, 6049, 6651, 15519, 16569, 16997, 18147, 42343, 46557, 50991, 54441, 118979, 127029, 152973, 194357, 356937, 381087, 583071, 1070811, 1360499, 1749213, 4081497, 4470211, 12244491, 13410633, 31291477, 40231899, 93874431, 281623293]

約数ペア:

[(1, 281623293), (3, 93874431), (7, 40231899), (9, 31291477), (21, 13410633), (23, 12244491), (63, 4470211), (69, 4081497), (161, 1749213), (207, 1360499), (263, 1070811), (483, 583071), (739, 381087), (789, 356937), (1449, 194357), (1841, 152973), (2217, 127029), (2367, 118979), (5173, 54441), (5523, 50991), (6049, 46557), (6651, 42343), (15519, 18147), (16569, 16997)]