81125325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{12433}}^1$

素因数の和:12478

約数の個数: 36

約数和(自身を含む): 150327060

約数和(自身を除く): 69201735

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 12433, 37299, 62165, 111897, 186495, 310825, 360557, 559485, 932475, 1081671, 1802785, 2797425, 3245013, 5408355, 9013925, 16225065, 27041775, 81125325]

約数ペア:

[(1, 81125325), (3, 27041775), (5, 16225065), (9, 9013925), (15, 5408355), (25, 3245013), (29, 2797425), (45, 1802785), (75, 1081671), (87, 932475), (145, 559485), (225, 360557), (261, 310825), (435, 186495), (725, 111897), (1305, 62165), (2175, 37299), (6525, 12433)]