215427179

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 257458176

約数和(自身を除く): 42030997

約数列:

[1, 11, 17, 47, 127, 187, 193, 517, 799, 1397, 2123, 2159, 3281, 5969, 8789, 9071, 23749, 24511, 36091, 65659, 99781, 101473, 154207, 269621, 416687, 1116203, 1152017, 1696277, 4583557, 12672187, 19584289, 215427179]

約数ペア:

[(1, 215427179), (11, 19584289), (17, 12672187), (47, 4583557), (127, 1696277), (187, 1152017), (193, 1116203), (517, 416687), (799, 269621), (1397, 154207), (2123, 101473), (2159, 99781), (3281, 65659), (5969, 36091), (8789, 24511), (9071, 23749)]