66727575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4177}}^1$

素因数の和:4264

約数の個数: 36

約数和(自身を含む): 121228848

約数和(自身を除く): 54501273

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 4177, 5325, 12531, 15975, 20885, 37593, 62655, 104425, 187965, 296567, 313275, 889701, 939825, 1482835, 2669103, 4448505, 7414175, 13345515, 22242525, 66727575]

約数ペア:

[(1, 66727575), (3, 22242525), (5, 13345515), (9, 7414175), (15, 4448505), (25, 2669103), (45, 1482835), (71, 939825), (75, 889701), (213, 313275), (225, 296567), (355, 187965), (639, 104425), (1065, 62655), (1775, 37593), (3195, 20885), (4177, 15975), (5325, 12531)]