208547469

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{2399}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 324979200

約数和(自身を除く): 116431731

約数列:

[1, 3, 9, 13, 39, 117, 743, 2229, 2399, 6687, 7197, 9659, 21591, 28977, 31187, 86931, 93561, 280683, 1782457, 5347371, 16042113, 23171941, 69515823, 208547469]

約数ペア:

[(1, 208547469), (3, 69515823), (9, 23171941), (13, 16042113), (39, 5347371), (117, 1782457), (743, 280683), (2229, 93561), (2399, 86931), (6687, 31187), (7197, 28977), (9659, 21591)]