87047379

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 138114240

約数和(自身を除く): 51066861

約数列:

[1, 3, 9, 19, 27, 57, 81, 163, 171, 347, 489, 513, 1041, 1467, 1539, 3097, 3123, 4401, 6593, 9291, 9369, 13203, 19779, 27873, 28107, 56561, 59337, 83619, 169683, 178011, 250857, 509049, 534033, 1074659, 1527147, 3223977, 4581441, 9671931, 29015793, 87047379]

約数ペア:

[(1, 87047379), (3, 29015793), (9, 9671931), (19, 4581441), (27, 3223977), (57, 1527147), (81, 1074659), (163, 534033), (171, 509049), (347, 250857), (489, 178011), (513, 169683), (1041, 83619), (1467, 59337), (1539, 56561), (3097, 28107), (3123, 27873), (4401, 19779), (6593, 13203), (9291, 9369)]