381493719

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 627240960

約数和(自身を除く): 245747241

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 243, 279, 331, 459, 527, 729, 837, 993, 1377, 1581, 2187, 2511, 2979, 4131, 4743, 5627, 7533, 8937, 10261, 12393, 14229, 16881, 22599, 26811, 30783, 37179, 42687, 50643, 67797, 80433, 92349, 128061, 151929, 174437, 241299, 277047, 384183, 455787, 523311, 723897, 831141, 1152549, 1367361, 1569933, 2493423, 4102083, 4709799, 7480269, 12306249, 14129397, 22440807, 42388191, 127164573, 381493719]

約数ペア:

[(1, 381493719), (3, 127164573), (9, 42388191), (17, 22440807), (27, 14129397), (31, 12306249), (51, 7480269), (81, 4709799), (93, 4102083), (153, 2493423), (243, 1569933), (279, 1367361), (331, 1152549), (459, 831141), (527, 723897), (729, 523311), (837, 455787), (993, 384183), (1377, 277047), (1581, 241299), (2187, 174437), (2511, 151929), (2979, 128061), (4131, 92349), (4743, 80433), (5627, 67797), (7533, 50643), (8937, 42687), (10261, 37179), (12393, 30783), (14229, 26811), (16881, 22599)]