42940521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21589}}^1$

素因数の和:21625

約数の個数: 24

約数和(自身を含む): 70728840

約数和(自身を除く): 27788319

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 21589, 64767, 194301, 280657, 367013, 841971, 1101039, 2525913, 3303117, 4771169, 14313507, 42940521]

約数ペア:

[(1, 42940521), (3, 14313507), (9, 4771169), (13, 3303117), (17, 2525913), (39, 1101039), (51, 841971), (117, 367013), (153, 280657), (221, 194301), (663, 64767), (1989, 21589)]