2181546

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 4924800

約数和(自身を除く): 2743254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 569, 639, 1138, 1278, 1707, 1917, 3414, 3834, 5121, 10242, 15363, 30726, 40399, 80798, 121197, 242394, 363591, 727182, 1090773, 2181546]

約数ペア:

[(1, 2181546), (2, 1090773), (3, 727182), (6, 363591), (9, 242394), (18, 121197), (27, 80798), (54, 40399), (71, 30726), (142, 15363), (213, 10242), (426, 5121), (569, 3834), (639, 3414), (1138, 1917), (1278, 1707)]