388561131

素因数分解:

$3^5\times 7^2\times {\mathrm{32633}}^1$

素因数の和:32662

約数の個数: 36

約数和(自身を含む): 677090232

約数和(自身を除く): 288529101

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 32633, 97899, 228431, 293697, 685293, 881091, 1599017, 2055879, 2643273, 4797051, 6167637, 7929819, 14391153, 18502911, 43173459, 55508733, 129520377, 388561131]

約数ペア:

[(1, 388561131), (3, 129520377), (7, 55508733), (9, 43173459), (21, 18502911), (27, 14391153), (49, 7929819), (63, 6167637), (81, 4797051), (147, 2643273), (189, 2055879), (243, 1599017), (441, 881091), (567, 685293), (1323, 293697), (1701, 228431), (3969, 97899), (11907, 32633)]