71343081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 108842240

約数和(自身を除く): 37499159

約数列:

[1, 3, 9, 19, 57, 171, 421, 991, 1263, 2973, 3789, 7999, 8919, 18829, 23997, 56487, 71991, 169461, 417211, 1251633, 3754899, 7927009, 23781027, 71343081]

約数ペア:

[(1, 71343081), (3, 23781027), (9, 7927009), (19, 3754899), (57, 1251633), (171, 417211), (421, 169461), (991, 71991), (1263, 56487), (2973, 23997), (3789, 18829), (7999, 8919)]