217197045

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13751}}^1$

素因数の和:13784

約数の個数: 48

約数和(自身を含む): 420481152

約数和(自身を除く): 203284107

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 3159, 5265, 13751, 15795, 41253, 68755, 123759, 178763, 206265, 371277, 536289, 618795, 893815, 1113831, 1608867, 1856385, 2681445, 3341493, 4826601, 5569155, 8044335, 14479803, 16707465, 24133005, 43439409, 72399015, 217197045]

約数ペア:

[(1, 217197045), (3, 72399015), (5, 43439409), (9, 24133005), (13, 16707465), (15, 14479803), (27, 8044335), (39, 5569155), (45, 4826601), (65, 3341493), (81, 2681445), (117, 1856385), (135, 1608867), (195, 1113831), (243, 893815), (351, 618795), (405, 536289), (585, 371277), (1053, 206265), (1215, 178763), (1755, 123759), (3159, 68755), (5265, 41253), (13751, 15795)]