90291357

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 145873728

約数和(自身を除く): 55582371

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 131, 137, 387, 393, 411, 559, 1179, 1233, 1677, 1703, 1781, 5031, 5109, 5343, 5633, 5891, 15327, 16029, 16899, 17673, 17947, 50697, 53019, 53841, 73229, 76583, 161523, 219687, 229749, 233311, 659061, 689247, 699933, 771721, 2099799, 2315163, 6945489, 10032373, 30097119, 90291357]

約数ペア:

[(1, 90291357), (3, 30097119), (9, 10032373), (13, 6945489), (39, 2315163), (43, 2099799), (117, 771721), (129, 699933), (131, 689247), (137, 659061), (387, 233311), (393, 229749), (411, 219687), (559, 161523), (1179, 76583), (1233, 73229), (1677, 53841), (1703, 53019), (1781, 50697), (5031, 17947), (5109, 17673), (5343, 16899), (5633, 16029), (5891, 15327)]