218629425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 431034912

約数和(自身を除く): 212405487

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 147, 175, 205, 245, 287, 525, 615, 735, 861, 1025, 1225, 1435, 1451, 2009, 3075, 3675, 4305, 4353, 6027, 7175, 7255, 10045, 10157, 21525, 21765, 30135, 30471, 36275, 50225, 50785, 59491, 71099, 108825, 150675, 152355, 178473, 213297, 253925, 297455, 355495, 416437, 761775, 892365, 1066485, 1249311, 1487275, 1777475, 2082185, 2915059, 4461825, 5332425, 6246555, 8745177, 10410925, 14575295, 31232775, 43725885, 72876475, 218629425]

約数ペア:

[(1, 218629425), (3, 72876475), (5, 43725885), (7, 31232775), (15, 14575295), (21, 10410925), (25, 8745177), (35, 6246555), (41, 5332425), (49, 4461825), (75, 2915059), (105, 2082185), (123, 1777475), (147, 1487275), (175, 1249311), (205, 1066485), (245, 892365), (287, 761775), (525, 416437), (615, 355495), (735, 297455), (861, 253925), (1025, 213297), (1225, 178473), (1435, 152355), (1451, 150675), (2009, 108825), (3075, 71099), (3675, 59491), (4305, 50785), (4353, 50225), (6027, 36275), (7175, 30471), (7255, 30135), (10045, 21765), (10157, 21525)]