215411595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 416443824

約数和(自身を除く): 201032229

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 89, 105, 111, 147, 185, 245, 259, 267, 445, 555, 623, 735, 777, 1295, 1335, 1813, 1869, 3115, 3293, 3885, 4361, 5439, 7921, 9065, 9345, 9879, 13083, 16465, 21805, 23051, 23763, 27195, 39605, 49395, 55447, 65415, 69153, 115255, 118815, 161357, 166341, 277235, 293077, 345765, 388129, 484071, 806785, 831705, 879231, 1164387, 1465385, 1940645, 2051539, 2420355, 4396155, 5821935, 6154617, 10257695, 14360773, 30773085, 43082319, 71803865, 215411595]

約数ペア:

[(1, 215411595), (3, 71803865), (5, 43082319), (7, 30773085), (15, 14360773), (21, 10257695), (35, 6154617), (37, 5821935), (49, 4396155), (89, 2420355), (105, 2051539), (111, 1940645), (147, 1465385), (185, 1164387), (245, 879231), (259, 831705), (267, 806785), (445, 484071), (555, 388129), (623, 345765), (735, 293077), (777, 277235), (1295, 166341), (1335, 161357), (1813, 118815), (1869, 115255), (3115, 69153), (3293, 65415), (3885, 55447), (4361, 49395), (5439, 39605), (7921, 27195), (9065, 23763), (9345, 23051), (9879, 21805), (13083, 16465)]