142720221

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7207}}^1$

素因数の和:7281

約数の個数: 32

約数和(自身を含む): 232501248

約数和(自身を除く): 89781027

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 7207, 19803, 21621, 50449, 151347, 165761, 295487, 497283, 886461, 1160327, 2068409, 3480981, 6205227, 6796201, 20388603, 47573407, 142720221]

約数ペア:

[(1, 142720221), (3, 47573407), (7, 20388603), (21, 6796201), (23, 6205227), (41, 3480981), (69, 2068409), (123, 1160327), (161, 886461), (287, 497283), (483, 295487), (861, 165761), (943, 151347), (2829, 50449), (6601, 21621), (7207, 19803)]