16978395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 31385088

約数和(自身を除く): 14406693

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 1667, 2037, 3395, 5001, 8335, 10185, 11669, 25005, 35007, 58345, 161699, 175035, 485097, 808495, 1131893, 2425485, 3395679, 5659465, 16978395]

約数ペア:

[(1, 16978395), (3, 5659465), (5, 3395679), (7, 2425485), (15, 1131893), (21, 808495), (35, 485097), (97, 175035), (105, 161699), (291, 58345), (485, 35007), (679, 25005), (1455, 11669), (1667, 10185), (2037, 8335), (3395, 5001)]