42478821

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61297}}^1$

素因数の和:61321

約数の個数: 24

約数和(自身を含む): 76499904

約数和(自身を除く): 34021083

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 61297, 183891, 429079, 551673, 674267, 1287237, 2022801, 3861711, 4719869, 6068403, 14159607, 42478821]

約数ペア:

[(1, 42478821), (3, 14159607), (7, 6068403), (9, 4719869), (11, 3861711), (21, 2022801), (33, 1287237), (63, 674267), (77, 551673), (99, 429079), (231, 183891), (693, 61297)]