7960221

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 12672000

約数和(自身を除く): 4711779

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 263, 513, 531, 789, 1121, 1593, 2367, 3363, 4997, 7101, 10089, 14991, 15517, 30267, 44973, 46551, 134919, 139653, 294823, 418959, 884469, 2653407, 7960221]

約数ペア:

[(1, 7960221), (3, 2653407), (9, 884469), (19, 418959), (27, 294823), (57, 139653), (59, 134919), (171, 46551), (177, 44973), (263, 30267), (513, 15517), (531, 14991), (789, 10089), (1121, 7101), (1593, 4997), (2367, 3363)]