66421053

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{12239}}^1$

素因数の和:12318

約数の個数: 20

約数和(自身を含む): 100710720

約数和(自身を除く): 34289667

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 12239, 36717, 110151, 330453, 820013, 991359, 2460039, 7380117, 22140351, 66421053]

約数ペア:

[(1, 66421053), (3, 22140351), (9, 7380117), (27, 2460039), (67, 991359), (81, 820013), (201, 330453), (603, 110151), (1809, 36717), (5427, 12239)]