2419389

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 4390848

約数和(自身を除く): 1971459

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 251, 357, 459, 567, 753, 1071, 1377, 1757, 2259, 3213, 4267, 5271, 6777, 9639, 12801, 15813, 20331, 29869, 38403, 47439, 89607, 115209, 142317, 268821, 345627, 806463, 2419389]

約数ペア:

[(1, 2419389), (3, 806463), (7, 345627), (9, 268821), (17, 142317), (21, 115209), (27, 89607), (51, 47439), (63, 38403), (81, 29869), (119, 20331), (153, 15813), (189, 12801), (251, 9639), (357, 6777), (459, 5271), (567, 4267), (753, 3213), (1071, 2259), (1377, 1757)]