16220985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 29089152

約数和(自身を除く): 12868167

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 2657, 6105, 7971, 13285, 29227, 39855, 87681, 98309, 146135, 294927, 438405, 491545, 1081399, 1474635, 3244197, 5406995, 16220985]

約数ペア:

[(1, 16220985), (3, 5406995), (5, 3244197), (11, 1474635), (15, 1081399), (33, 491545), (37, 438405), (55, 294927), (111, 146135), (165, 98309), (185, 87681), (407, 39855), (555, 29227), (1221, 13285), (2035, 7971), (2657, 6105)]