137907945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{683}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 274015872

約数和(自身を除く): 136107927

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641, 683, 1923, 2049, 3205, 3415, 4487, 4781, 5769, 6147, 9615, 10245, 13461, 14343, 22435, 23905, 28845, 30735, 40383, 43029, 67305, 71715, 201915, 215145, 437803, 1313409, 2189015, 3064621, 3940227, 6567045, 9193863, 15323105, 19701135, 27581589, 45969315, 137907945]

約数ペア:

[(1, 137907945), (3, 45969315), (5, 27581589), (7, 19701135), (9, 15323105), (15, 9193863), (21, 6567045), (35, 3940227), (45, 3064621), (63, 2189015), (105, 1313409), (315, 437803), (641, 215145), (683, 201915), (1923, 71715), (2049, 67305), (3205, 43029), (3415, 40383), (4487, 30735), (4781, 28845), (5769, 23905), (6147, 22435), (9615, 14343), (10245, 13461)]