1281441

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 1971200

約数和(自身を除く): 689759

約数列:

[1, 3, 7, 21, 139, 417, 439, 973, 1317, 2919, 3073, 9219, 61021, 183063, 427147, 1281441]

約数ペア:

[(1, 1281441), (3, 427147), (7, 183063), (21, 61021), (139, 9219), (417, 3073), (439, 2919), (973, 1317)]