6420199779

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{478441}}^1$

素因数の和:478528

約数の個数: 32

約数和(自身を含む): 11023303680

約数和(自身を除く): 4603103901

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 478441, 1435323, 3349087, 4305969, 10047261, 12917907, 30141783, 33969311, 90425349, 101907933, 237785177, 305723799, 713355531, 917171397, 2140066593, 6420199779]

約数ペア:

[(1, 6420199779), (3, 2140066593), (7, 917171397), (9, 713355531), (21, 305723799), (27, 237785177), (63, 101907933), (71, 90425349), (189, 33969311), (213, 30141783), (497, 12917907), (639, 10047261), (1491, 4305969), (1917, 3349087), (4473, 1435323), (13419, 478441)]