15705748821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1\times {\mathrm{13249}}^1$

素因数の和:16249

約数の個数: 32

約数和(自身を含む): 25202560000

約数和(自身を除く): 9496811179

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2971, 8913, 13249, 20797, 39747, 56449, 62391, 92743, 169347, 251731, 278229, 395143, 755193, 1185429, 1762117, 5286351, 39362779, 118088337, 275539453, 747892801, 826618359, 2243678403, 5235249607, 15705748821]

約数ペア:

[(1, 15705748821), (3, 5235249607), (7, 2243678403), (19, 826618359), (21, 747892801), (57, 275539453), (133, 118088337), (399, 39362779), (2971, 5286351), (8913, 1762117), (13249, 1185429), (20797, 755193), (39747, 395143), (56449, 278229), (62391, 251731), (92743, 169347)]