20187117

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14107}}^1$

素因数の和:14169

約数の個数: 16

約数和(自身を含む): 30473280

約数和(自身を除く): 10286163

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14107, 42321, 126963, 380889, 747671, 2243013, 6729039, 20187117]

約数ペア:

[(1, 20187117), (3, 6729039), (9, 2243013), (27, 747671), (53, 380889), (159, 126963), (477, 42321), (1431, 14107)]