128693409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{479}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 187434240

約数和(自身を除く): 58740831

約数列:

[1, 3, 13, 39, 83, 249, 479, 1079, 1437, 3237, 6227, 6889, 18681, 20667, 39757, 89557, 119271, 268671, 516841, 1550523, 3299831, 9899493, 42897803, 128693409]

約数ペア:

[(1, 128693409), (3, 42897803), (13, 9899493), (39, 3299831), (83, 1550523), (249, 516841), (479, 268671), (1079, 119271), (1437, 89557), (3237, 39757), (6227, 20667), (6889, 18681)]