28094913

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 23302719

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 497, 571, 639, 693, 781, 1491, 1713, 2343, 3997, 4473, 5139, 5467, 6281, 7029, 11991, 16401, 18843, 35973, 40541, 43967, 49203, 56529, 121623, 131901, 283787, 364869, 395703, 445951, 851361, 1337853, 2554083, 3121657, 4013559, 9364971, 28094913]

約数ペア:

[(1, 28094913), (3, 9364971), (7, 4013559), (9, 3121657), (11, 2554083), (21, 1337853), (33, 851361), (63, 445951), (71, 395703), (77, 364869), (99, 283787), (213, 131901), (231, 121623), (497, 56529), (571, 49203), (639, 43967), (693, 40541), (781, 35973), (1491, 18843), (1713, 16401), (2343, 11991), (3997, 7029), (4473, 6281), (5139, 5467)]