13781961

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{9631}}^1$

素因数の和:9693

約数の個数: 16

約数和(自身を含む): 20805120

約数和(自身を除く): 7023159

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 9631, 28893, 86679, 260037, 510443, 1531329, 4593987, 13781961]

約数ペア:

[(1, 13781961), (3, 4593987), (9, 1531329), (27, 510443), (53, 260037), (159, 86679), (477, 28893), (1431, 9631)]