684427575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9984

約数の個数: 48

約数和(自身を含む): 1235920896

約数和(自身を除く): 551493321

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 923, 975, 1065, 1775, 2769, 4615, 5325, 9887, 13845, 23075, 29661, 49435, 69225, 128531, 148305, 247175, 385593, 642655, 701977, 741525, 1927965, 2105931, 3213275, 3509885, 9125701, 9639825, 10529655, 17549425, 27377103, 45628505, 52648275, 136885515, 228142525, 684427575]

約数ペア:

[(1, 684427575), (3, 228142525), (5, 136885515), (13, 52648275), (15, 45628505), (25, 27377103), (39, 17549425), (65, 10529655), (71, 9639825), (75, 9125701), (195, 3509885), (213, 3213275), (325, 2105931), (355, 1927965), (923, 741525), (975, 701977), (1065, 642655), (1775, 385593), (2769, 247175), (4615, 148305), (5325, 128531), (9887, 69225), (13845, 49435), (23075, 29661)]