18008055

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 35696640

約数和(自身を除く): 17688585

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 155, 195, 279, 331, 351, 403, 465, 585, 837, 993, 1209, 1395, 1655, 1755, 2015, 2979, 3627, 4185, 4303, 4965, 6045, 8937, 10261, 10881, 12909, 14895, 18135, 21515, 30783, 38727, 44685, 51305, 54405, 64545, 92349, 116181, 133393, 153915, 193635, 277047, 400179, 461745, 580905, 666965, 1200537, 1385235, 2000895, 3601611, 6002685, 18008055]

約数ペア:

[(1, 18008055), (3, 6002685), (5, 3601611), (9, 2000895), (13, 1385235), (15, 1200537), (27, 666965), (31, 580905), (39, 461745), (45, 400179), (65, 277047), (93, 193635), (117, 153915), (135, 133393), (155, 116181), (195, 92349), (279, 64545), (331, 54405), (351, 51305), (403, 44685), (465, 38727), (585, 30783), (837, 21515), (993, 18135), (1209, 14895), (1395, 12909), (1655, 10881), (1755, 10261), (2015, 8937), (2979, 6045), (3627, 4965), (4185, 4303)]