66969261

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 105705600

約数和(自身を除く): 38736339

約数列:

[1, 3, 9, 23, 27, 69, 81, 103, 207, 309, 349, 621, 927, 1047, 1863, 2369, 2781, 3141, 7107, 8027, 8343, 9423, 21321, 24081, 28269, 35947, 63963, 72243, 107841, 191889, 216729, 323523, 650187, 826781, 970569, 2480343, 2911707, 7441029, 22323087, 66969261]

約数ペア:

[(1, 66969261), (3, 22323087), (9, 7441029), (23, 2911707), (27, 2480343), (69, 970569), (81, 826781), (103, 650187), (207, 323523), (309, 216729), (349, 191889), (621, 107841), (927, 72243), (1047, 63963), (1863, 35947), (2369, 28269), (2781, 24081), (3141, 21321), (7107, 9423), (8027, 8343)]