20172181545

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1\times {\mathrm{1801}}^1$

素因数の和:2487

約数の個数: 64

約数和(自身を含む): 36172627200

約数和(自身を除く): 16000445655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 509, 815, 1467, 1527, 1801, 2445, 2545, 4401, 4581, 5403, 7335, 7635, 9005, 13743, 16209, 22005, 22905, 27015, 48627, 68715, 81045, 82967, 243135, 248901, 293563, 414835, 746703, 880689, 916709, 1244505, 1467815, 2240109, 2642067, 2750127, 3733515, 4403445, 4583545, 7926201, 8250381, 11200545, 13210335, 13750635, 24751143, 39631005, 41251905, 123755715, 149423567, 448270701, 747117835, 1344812103, 2241353505, 4034436309, 6724060515, 20172181545]

約数ペア:

[(1, 20172181545), (3, 6724060515), (5, 4034436309), (9, 2241353505), (15, 1344812103), (27, 747117835), (45, 448270701), (135, 149423567), (163, 123755715), (489, 41251905), (509, 39631005), (815, 24751143), (1467, 13750635), (1527, 13210335), (1801, 11200545), (2445, 8250381), (2545, 7926201), (4401, 4583545), (4581, 4403445), (5403, 3733515), (7335, 2750127), (7635, 2642067), (9005, 2240109), (13743, 1467815), (16209, 1244505), (22005, 916709), (22905, 880689), (27015, 746703), (48627, 414835), (68715, 293563), (81045, 248901), (82967, 243135)]