16387353

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:978

約数の個数: 20

約数和(自身を含む): 24596880

約数和(自身を除く): 8209527

約数列:

[1, 3, 9, 27, 81, 307, 659, 921, 1977, 2763, 5931, 8289, 17793, 24867, 53379, 202313, 606939, 1820817, 5462451, 16387353]

約数ペア:

[(1, 16387353), (3, 5462451), (9, 1820817), (27, 606939), (81, 202313), (307, 53379), (659, 24867), (921, 17793), (1977, 8289), (2763, 5931)]