140666865

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 228324096

約数和(自身を除く): 87657231

約数列:

[1, 3, 5, 15, 181, 197, 263, 543, 591, 789, 905, 985, 1315, 2715, 2955, 3945, 35657, 47603, 51811, 106971, 142809, 155433, 178285, 238015, 259055, 534855, 714045, 777165, 9377791, 28133373, 46888955, 140666865]

約数ペア:

[(1, 140666865), (3, 46888955), (5, 28133373), (15, 9377791), (181, 777165), (197, 714045), (263, 534855), (543, 259055), (591, 238015), (789, 178285), (905, 155433), (985, 142809), (1315, 106971), (2715, 51811), (2955, 47603), (3945, 35657)]