18068925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 34537472

約数和(自身を除く): 16468547

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 127, 175, 271, 381, 525, 635, 813, 889, 1355, 1897, 1905, 2667, 3175, 4065, 4445, 5691, 6775, 9485, 9525, 13335, 20325, 22225, 28455, 34417, 47425, 66675, 103251, 142275, 172085, 240919, 516255, 722757, 860425, 1204595, 2581275, 3613785, 6022975, 18068925]

約数ペア:

[(1, 18068925), (3, 6022975), (5, 3613785), (7, 2581275), (15, 1204595), (21, 860425), (25, 722757), (35, 516255), (75, 240919), (105, 172085), (127, 142275), (175, 103251), (271, 66675), (381, 47425), (525, 34417), (635, 28455), (813, 22225), (889, 20325), (1355, 13335), (1897, 9525), (1905, 9485), (2667, 6775), (3175, 5691), (4065, 4445)]