193774539

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 301916160

約数和(自身を除く): 108141621

約数列:

[1, 3, 7, 21, 83, 107, 249, 321, 581, 749, 1039, 1743, 2247, 3117, 7273, 8881, 21819, 26643, 62167, 86237, 111173, 186501, 258711, 333519, 603659, 778211, 1810977, 2334633, 9227359, 27682077, 64591513, 193774539]

約数ペア:

[(1, 193774539), (3, 64591513), (7, 27682077), (21, 9227359), (83, 2334633), (107, 1810977), (249, 778211), (321, 603659), (581, 333519), (749, 258711), (1039, 186501), (1743, 111173), (2247, 86237), (3117, 62167), (7273, 26643), (8881, 21819)]