989703075

素因数分解:

$3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 1658322432

約数和(自身を除く): 668619357

約数列:

[1, 3, 5, 15, 25, 75, 151, 281, 311, 453, 755, 843, 933, 1405, 1555, 2265, 3775, 4215, 4665, 7025, 7775, 11325, 21075, 23325, 42431, 46961, 87391, 127293, 140883, 212155, 234805, 262173, 436955, 636465, 704415, 1060775, 1174025, 1310865, 2184775, 3182325, 3522075, 6554325, 13196041, 39588123, 65980205, 197940615, 329901025, 989703075]

約数ペア:

[(1, 989703075), (3, 329901025), (5, 197940615), (15, 65980205), (25, 39588123), (75, 13196041), (151, 6554325), (281, 3522075), (311, 3182325), (453, 2184775), (755, 1310865), (843, 1174025), (933, 1060775), (1405, 704415), (1555, 636465), (2265, 436955), (3775, 262173), (4215, 234805), (4665, 212155), (7025, 140883), (7775, 127293), (11325, 87391), (21075, 46961), (23325, 42431)]