209920914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1666039}}^1$

素因数の和:1666054

約数の個数: 24

約数和(自身を含む): 519804480

約数和(自身を除く): 309883566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1666039, 3332078, 4998117, 9996234, 11662273, 14994351, 23324546, 29988702, 34986819, 69973638, 104960457, 209920914]

約数ペア:

[(1, 209920914), (2, 104960457), (3, 69973638), (6, 34986819), (7, 29988702), (9, 23324546), (14, 14994351), (18, 11662273), (21, 9996234), (42, 4998117), (63, 3332078), (126, 1666039)]