13209804945

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1\times {\mathrm{1249}}^1$

素因数の和:1919

約数の個数: 64

約数和(自身を含む): 23700000000

約数和(自身を除く): 10490195055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 499, 785, 1249, 1413, 1497, 2355, 2495, 3747, 4239, 4491, 6245, 7065, 7485, 11241, 13473, 18735, 21195, 22455, 33723, 56205, 67365, 78343, 168615, 196093, 235029, 391715, 588279, 623251, 705087, 980465, 1175145, 1764837, 1869753, 2115261, 2941395, 3116255, 3525435, 5294511, 5609259, 8824185, 9348765, 10576305, 16827777, 26472555, 28046295, 84138885, 97850407, 293551221, 489252035, 880653663, 1467756105, 2641960989, 4403268315, 13209804945]

約数ペア:

[(1, 13209804945), (3, 4403268315), (5, 2641960989), (9, 1467756105), (15, 880653663), (27, 489252035), (45, 293551221), (135, 97850407), (157, 84138885), (471, 28046295), (499, 26472555), (785, 16827777), (1249, 10576305), (1413, 9348765), (1497, 8824185), (2355, 5609259), (2495, 5294511), (3747, 3525435), (4239, 3116255), (4491, 2941395), (6245, 2115261), (7065, 1869753), (7485, 1764837), (11241, 1175145), (13473, 980465), (18735, 705087), (21195, 623251), (22455, 588279), (33723, 391715), (56205, 235029), (67365, 196093), (78343, 168615)]