1397430069

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{500333}}^1$

素因数の和:500369

約数の個数: 24

約数和(自身を含む): 2281523040

約数和(自身を除く): 884092971

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 500333, 1500999, 3502331, 9506327, 10506993, 24516317, 28518981, 66544289, 73548951, 199632867, 465810023, 1397430069]

約数ペア:

[(1, 1397430069), (3, 465810023), (7, 199632867), (19, 73548951), (21, 66544289), (49, 28518981), (57, 24516317), (133, 10506993), (147, 9506327), (399, 3502331), (931, 1500999), (2793, 500333)]