2538249

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 4071168

約数和(自身を除く): 1532919

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 557, 651, 1519, 1671, 3899, 4557, 11697, 17267, 27293, 51801, 81879, 120869, 362607, 846083, 2538249]

約数ペア:

[(1, 2538249), (3, 846083), (7, 362607), (21, 120869), (31, 81879), (49, 51801), (93, 27293), (147, 17267), (217, 11697), (557, 4557), (651, 3899), (1519, 1671)]