1999749064257

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{13782913}}^1$

素因数の和:13782987

約数の個数: 48

約数和(自身を含む): 3440215334400

約数和(自身を除く): 1440466270143

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 343, 423, 441, 987, 1029, 2303, 2961, 3087, 6909, 16121, 20727, 48363, 145089, 13782913, 41348739, 96480391, 124046217, 289441173, 647796911, 675362737, 868323519, 1943390733, 2026088211, 4534578377, 4727539159, 5830172199, 6078264633, 13603735131, 14182617477, 31742048639, 40811205393, 42547852431, 95226145917, 222194340473, 285678437751, 666583021419, 1999749064257]

約数ペア:

[(1, 1999749064257), (3, 666583021419), (7, 285678437751), (9, 222194340473), (21, 95226145917), (47, 42547852431), (49, 40811205393), (63, 31742048639), (141, 14182617477), (147, 13603735131), (329, 6078264633), (343, 5830172199), (423, 4727539159), (441, 4534578377), (987, 2026088211), (1029, 1943390733), (2303, 868323519), (2961, 675362737), (3087, 647796911), (6909, 289441173), (16121, 124046217), (20727, 96480391), (48363, 41348739), (145089, 13782913)]