72389247

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 121257216

約数和(自身を除く): 48867969

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 211, 217, 357, 527, 633, 651, 961, 1477, 1581, 2883, 3587, 3689, 4431, 6541, 6727, 10761, 11067, 16337, 19623, 20181, 25109, 45787, 49011, 75327, 111197, 114359, 137361, 202771, 333591, 343077, 608313, 778379, 1419397, 2335137, 3447107, 4258191, 10341321, 24129749, 72389247]

約数ペア:

[(1, 72389247), (3, 24129749), (7, 10341321), (17, 4258191), (21, 3447107), (31, 2335137), (51, 1419397), (93, 778379), (119, 608313), (211, 343077), (217, 333591), (357, 202771), (527, 137361), (633, 114359), (651, 111197), (961, 75327), (1477, 49011), (1581, 45787), (2883, 25109), (3587, 20181), (3689, 19623), (4431, 16337), (6541, 11067), (6727, 10761)]