54288213

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 85873920

約数和(自身を除く): 31585707

約数列:

[1, 3, 7, 21, 37, 109, 111, 259, 327, 641, 763, 777, 1923, 2289, 4033, 4487, 12099, 13461, 23717, 28231, 69869, 71151, 84693, 166019, 209607, 489083, 498057, 1467249, 2585153, 7755459, 18096071, 54288213]

約数ペア:

[(1, 54288213), (3, 18096071), (7, 7755459), (21, 2585153), (37, 1467249), (109, 498057), (111, 489083), (259, 209607), (327, 166019), (641, 84693), (763, 71151), (777, 69869), (1923, 28231), (2289, 23717), (4033, 13461), (4487, 12099)]