201309255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 399806784

約数和(自身を除く): 198497529

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641, 997, 1923, 2991, 3205, 4487, 4985, 5769, 6979, 8973, 9615, 13461, 14955, 20937, 22435, 28845, 34895, 40383, 44865, 62811, 67305, 104685, 201915, 314055, 639077, 1917231, 3195385, 4473539, 5751693, 9586155, 13420617, 22367695, 28758465, 40261851, 67103085, 201309255]

約数ペア:

[(1, 201309255), (3, 67103085), (5, 40261851), (7, 28758465), (9, 22367695), (15, 13420617), (21, 9586155), (35, 5751693), (45, 4473539), (63, 3195385), (105, 1917231), (315, 639077), (641, 314055), (997, 201915), (1923, 104685), (2991, 67305), (3205, 62811), (4487, 44865), (4985, 40383), (5769, 34895), (6979, 28845), (8973, 22435), (9615, 20937), (13461, 14955)]