28088463

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 13715313

約数列:

[1, 3, 13, 39, 53, 107, 127, 159, 321, 381, 689, 1391, 1651, 2067, 4173, 4953, 5671, 6731, 13589, 17013, 20193, 40767, 73723, 87503, 176657, 221169, 262509, 529971, 720217, 2160651, 9362821, 28088463]

約数ペア:

[(1, 28088463), (3, 9362821), (13, 2160651), (39, 720217), (53, 529971), (107, 262509), (127, 221169), (159, 176657), (321, 87503), (381, 73723), (689, 40767), (1391, 20193), (1651, 17013), (2067, 13589), (4173, 6731), (4953, 5671)]