87786747

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 135336080

約数和(自身を除く): 47549333

約数列:

[1, 3, 9, 27, 61, 81, 109, 163, 183, 327, 489, 549, 981, 1467, 1647, 2943, 4401, 4941, 6649, 8829, 9943, 13203, 17767, 19947, 29829, 53301, 59841, 89487, 159903, 179523, 268461, 479709, 538569, 805383, 1083787, 1439127, 3251361, 9754083, 29262249, 87786747]

約数ペア:

[(1, 87786747), (3, 29262249), (9, 9754083), (27, 3251361), (61, 1439127), (81, 1083787), (109, 805383), (163, 538569), (183, 479709), (327, 268461), (489, 179523), (549, 159903), (981, 89487), (1467, 59841), (1647, 53301), (2943, 29829), (4401, 19947), (4941, 17767), (6649, 13203), (8829, 9943)]