78840675

素因数分解:

$3^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 145704960

約数和(自身を除く): 66864285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 271, 431, 675, 813, 1293, 1355, 2155, 2439, 3879, 4065, 6465, 6775, 7317, 10775, 11637, 12195, 19395, 20325, 32325, 36585, 58185, 60975, 96975, 116801, 182925, 290925, 350403, 584005, 1051209, 1752015, 2920025, 3153627, 5256045, 8760075, 15768135, 26280225, 78840675]

約数ペア:

[(1, 78840675), (3, 26280225), (5, 15768135), (9, 8760075), (15, 5256045), (25, 3153627), (27, 2920025), (45, 1752015), (75, 1051209), (135, 584005), (225, 350403), (271, 290925), (431, 182925), (675, 116801), (813, 96975), (1293, 60975), (1355, 58185), (2155, 36585), (2439, 32325), (3879, 20325), (4065, 19395), (6465, 12195), (6775, 11637), (7317, 10775)]