87972315

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 144322560

約数和(自身を除く): 56350245

約数列:

[1, 3, 5, 15, 53, 159, 239, 265, 463, 717, 795, 1195, 1389, 2315, 3585, 6945, 12667, 24539, 38001, 63335, 73617, 110657, 122695, 190005, 331971, 368085, 553285, 1659855, 5864821, 17594463, 29324105, 87972315]

約数ペア:

[(1, 87972315), (3, 29324105), (5, 17594463), (15, 5864821), (53, 1659855), (159, 553285), (239, 368085), (265, 331971), (463, 190005), (717, 122695), (795, 110657), (1195, 73617), (1389, 63335), (2315, 38001), (3585, 24539), (6945, 12667)]