142897665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1693}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 242960256

約数和(自身を除く): 100062591

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 331, 993, 1655, 1693, 4965, 5079, 5627, 8465, 16881, 25395, 28135, 28781, 84405, 86343, 143905, 431715, 560383, 1681149, 2801915, 8405745, 9526511, 28579533, 47632555, 142897665]

約数ペア:

[(1, 142897665), (3, 47632555), (5, 28579533), (15, 9526511), (17, 8405745), (51, 2801915), (85, 1681149), (255, 560383), (331, 431715), (993, 143905), (1655, 86343), (1693, 84405), (4965, 28781), (5079, 28135), (5627, 25395), (8465, 16881)]