17721027

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 26417664

約数和(自身を除く): 8696637

約数列:

[1, 3, 9, 53, 97, 159, 291, 383, 477, 873, 1149, 3447, 5141, 15423, 20299, 37151, 46269, 60897, 111453, 182691, 334359, 1969003, 5907009, 17721027]

約数ペア:

[(1, 17721027), (3, 5907009), (9, 1969003), (53, 334359), (97, 182691), (159, 111453), (291, 60897), (383, 46269), (477, 37151), (873, 20299), (1149, 15423), (3447, 5141)]