209211135

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 403612896

約数和(自身を除く): 194401761

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 157, 185, 245, 259, 343, 471, 555, 735, 777, 785, 1029, 1099, 1295, 1715, 1813, 2355, 2401, 3297, 3885, 5145, 5439, 5495, 5809, 7203, 7693, 9065, 12005, 12691, 16485, 17427, 23079, 27195, 29045, 36015, 38073, 38465, 40663, 53851, 63455, 87135, 88837, 115395, 121989, 161553, 190365, 203315, 266511, 269255, 284641, 376957, 444185, 609945, 807765, 853923, 1130871, 1332555, 1423205, 1884785, 1992487, 4269615, 5654355, 5977461, 9962435, 13947409, 29887305, 41842227, 69737045, 209211135]

約数ペア:

[(1, 209211135), (3, 69737045), (5, 41842227), (7, 29887305), (15, 13947409), (21, 9962435), (35, 5977461), (37, 5654355), (49, 4269615), (105, 1992487), (111, 1884785), (147, 1423205), (157, 1332555), (185, 1130871), (245, 853923), (259, 807765), (343, 609945), (471, 444185), (555, 376957), (735, 284641), (777, 269255), (785, 266511), (1029, 203315), (1099, 190365), (1295, 161553), (1715, 121989), (1813, 115395), (2355, 88837), (2401, 87135), (3297, 63455), (3885, 53851), (5145, 40663), (5439, 38465), (5495, 38073), (5809, 36015), (7203, 29045), (7693, 27195), (9065, 23079), (12005, 17427), (12691, 16485)]