638045109

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{4481}}^1$

素因数の和:5717

約数の個数: 24

約数和(自身を含む): 993551832

約数和(自身を除く): 355506723

約数列:

[1, 3, 9, 13, 39, 117, 1217, 3651, 4481, 10953, 13443, 15821, 40329, 47463, 58253, 142389, 174759, 524277, 5453377, 16360131, 49080393, 70893901, 212681703, 638045109]

約数ペア:

[(1, 638045109), (3, 212681703), (9, 70893901), (13, 49080393), (39, 16360131), (117, 5453377), (1217, 524277), (3651, 174759), (4481, 142389), (10953, 58253), (13443, 47463), (15821, 40329)]