161719845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3607}}^1$

素因数の和:3690

約数の個数: 48

約数和(自身を含む): 306016128

約数和(自身を除く): 144296283

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 2135, 2989, 3607, 6405, 8967, 10821, 14945, 18035, 25249, 44835, 54105, 75747, 126245, 176743, 220027, 378735, 530229, 660081, 883715, 1100135, 1540189, 2651145, 3300405, 4620567, 7700945, 10781323, 23102835, 32343969, 53906615, 161719845]

約数ペア:

[(1, 161719845), (3, 53906615), (5, 32343969), (7, 23102835), (15, 10781323), (21, 7700945), (35, 4620567), (49, 3300405), (61, 2651145), (105, 1540189), (147, 1100135), (183, 883715), (245, 660081), (305, 530229), (427, 378735), (735, 220027), (915, 176743), (1281, 126245), (2135, 75747), (2989, 54105), (3607, 44835), (6405, 25249), (8967, 18035), (10821, 14945)]