39808041

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 68410944

約数和(自身を除く): 28602903

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 481, 563, 637, 777, 1443, 1689, 1813, 1911, 3367, 3941, 5439, 7319, 10101, 11823, 20831, 21957, 23569, 27587, 51233, 62493, 70707, 82761, 145817, 153699, 270803, 358631, 437451, 812409, 1020719, 1075893, 1895621, 3062157, 5686863, 13269347, 39808041]

約数ペア:

[(1, 39808041), (3, 13269347), (7, 5686863), (13, 3062157), (21, 1895621), (37, 1075893), (39, 1020719), (49, 812409), (91, 437451), (111, 358631), (147, 270803), (259, 153699), (273, 145817), (481, 82761), (563, 70707), (637, 62493), (777, 51233), (1443, 27587), (1689, 23569), (1813, 21957), (1911, 20831), (3367, 11823), (3941, 10101), (5439, 7319)]