215351487

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4831}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 346357760

約数和(自身を除く): 131006273

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 1143, 1651, 3429, 4831, 4953, 14493, 14859, 43479, 44577, 62803, 130437, 188409, 565227, 613537, 1695681, 1840611, 5521833, 7975981, 16565499, 23927943, 71783829, 215351487]

約数ペア:

[(1, 215351487), (3, 71783829), (9, 23927943), (13, 16565499), (27, 7975981), (39, 5521833), (117, 1840611), (127, 1695681), (351, 613537), (381, 565227), (1143, 188409), (1651, 130437), (3429, 62803), (4831, 44577), (4953, 43479), (14493, 14859)]