71015919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 114960384

約数和(自身を除く): 43944465

約数列:

[1, 3, 13, 17, 39, 43, 47, 51, 53, 129, 141, 159, 221, 559, 611, 663, 689, 731, 799, 901, 1677, 1833, 2021, 2067, 2193, 2279, 2397, 2491, 2703, 6063, 6837, 7473, 9503, 10387, 11713, 26273, 28509, 29627, 31161, 32383, 34357, 35139, 38743, 42347, 78819, 88881, 97149, 103071, 107113, 116229, 127041, 321339, 446641, 503659, 550511, 1339923, 1392469, 1510977, 1651533, 1820921, 4177407, 5462763, 23671973, 71015919]

約数ペア:

[(1, 71015919), (3, 23671973), (13, 5462763), (17, 4177407), (39, 1820921), (43, 1651533), (47, 1510977), (51, 1392469), (53, 1339923), (129, 550511), (141, 503659), (159, 446641), (221, 321339), (559, 127041), (611, 116229), (663, 107113), (689, 103071), (731, 97149), (799, 88881), (901, 78819), (1677, 42347), (1833, 38743), (2021, 35139), (2067, 34357), (2193, 32383), (2279, 31161), (2397, 29627), (2491, 28509), (2703, 26273), (6063, 11713), (6837, 10387), (7473, 9503)]