87974487

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 134517240

約数和(自身を除く): 46542753

約数列:

[1, 3, 9, 29, 59, 87, 177, 197, 261, 531, 591, 841, 1711, 1773, 2523, 5133, 5713, 7569, 11623, 15399, 17139, 34869, 49619, 51417, 104607, 148857, 165677, 337067, 446571, 497031, 1011201, 1491093, 3033603, 9774943, 29324829, 87974487]

約数ペア:

[(1, 87974487), (3, 29324829), (9, 9774943), (29, 3033603), (59, 1491093), (87, 1011201), (177, 497031), (197, 446571), (261, 337067), (531, 165677), (591, 148857), (841, 104607), (1711, 51417), (1773, 49619), (2523, 34869), (5133, 17139), (5713, 15399), (7569, 11623)]