207965745

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 404006400

約数和(自身を除く): 196040655

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1669, 1755, 1917, 2769, 3195, 4615, 5007, 8307, 8345, 9585, 13845, 15021, 21697, 24921, 25035, 41535, 45063, 65091, 75105, 108485, 118499, 124605, 195273, 225315, 325455, 355497, 585819, 592495, 976365, 1066491, 1540487, 1777485, 2929095, 3199473, 4621461, 5332455, 7702435, 13864383, 15997365, 23107305, 41593149, 69321915, 207965745]

約数ペア:

[(1, 207965745), (3, 69321915), (5, 41593149), (9, 23107305), (13, 15997365), (15, 13864383), (27, 7702435), (39, 5332455), (45, 4621461), (65, 3199473), (71, 2929095), (117, 1777485), (135, 1540487), (195, 1066491), (213, 976365), (351, 592495), (355, 585819), (585, 355497), (639, 325455), (923, 225315), (1065, 195273), (1669, 124605), (1755, 118499), (1917, 108485), (2769, 75105), (3195, 65091), (4615, 45063), (5007, 41535), (8307, 25035), (8345, 24921), (9585, 21697), (13845, 15021)]