201972645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 401311872

約数和(自身を除く): 199339227

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 421, 1263, 1523, 2105, 2947, 3789, 4569, 6315, 7615, 8841, 10661, 13707, 14735, 18945, 22845, 26523, 31983, 44205, 53305, 68535, 95949, 132615, 159915, 479745, 641183, 1923549, 3205915, 4488281, 5770647, 9617745, 13464843, 22441405, 28853235, 40394529, 67324215, 201972645]

約数ペア:

[(1, 201972645), (3, 67324215), (5, 40394529), (7, 28853235), (9, 22441405), (15, 13464843), (21, 9617745), (35, 5770647), (45, 4488281), (63, 3205915), (105, 1923549), (315, 641183), (421, 479745), (1263, 159915), (1523, 132615), (2105, 95949), (2947, 68535), (3789, 53305), (4569, 44205), (6315, 31983), (7615, 26523), (8841, 22845), (10661, 18945), (13707, 14735)]