78841215

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18839}}^1$

素因数の和:18884

約数の個数: 32

約数和(自身を含む): 144691200

約数和(自身を除く): 65849985

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 18839, 56517, 94195, 169551, 282585, 508653, 584009, 847755, 1752027, 2543265, 2920045, 5256081, 8760135, 15768243, 26280405, 78841215]

約数ペア:

[(1, 78841215), (3, 26280405), (5, 15768243), (9, 8760135), (15, 5256081), (27, 2920045), (31, 2543265), (45, 1752027), (93, 847755), (135, 584009), (155, 508653), (279, 282585), (465, 169551), (837, 94195), (1395, 56517), (4185, 18839)]