1285452021

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1302383}}^1$

素因数の和:1302440

約数の個数: 16

約数和(自身を含む): 2000461824

約数和(自身を除く): 715009803

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1302383, 3907149, 9116681, 27350043, 61212001, 183636003, 428484007, 1285452021]

約数ペア:

[(1, 1285452021), (3, 428484007), (7, 183636003), (21, 61212001), (47, 27350043), (141, 9116681), (329, 3907149), (987, 1302383)]