207855117

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 338083200

約数和(自身を除く): 130228083

約数列:

[1, 3, 9, 19, 23, 41, 57, 69, 123, 171, 207, 369, 437, 779, 943, 1289, 1311, 2337, 2829, 3867, 3933, 7011, 8487, 11601, 17917, 24491, 29647, 52849, 53751, 73473, 88941, 158547, 161253, 220419, 266823, 475641, 563293, 1004131, 1215527, 1689879, 3012393, 3646581, 5069637, 9037179, 10939743, 23095013, 69285039, 207855117]

約数ペア:

[(1, 207855117), (3, 69285039), (9, 23095013), (19, 10939743), (23, 9037179), (41, 5069637), (57, 3646581), (69, 3012393), (123, 1689879), (171, 1215527), (207, 1004131), (369, 563293), (437, 475641), (779, 266823), (943, 220419), (1289, 161253), (1311, 158547), (2337, 88941), (2829, 73473), (3867, 53751), (3933, 52849), (7011, 29647), (8487, 24491), (11601, 17917)]