990222429

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 1680998400

約数和(自身を除く): 690775971

約数列:

[1, 3, 7, 21, 29, 31, 49, 59, 87, 93, 127, 147, 177, 203, 217, 381, 413, 609, 651, 889, 899, 1239, 1421, 1519, 1711, 1829, 2667, 2697, 2891, 3683, 3937, 4263, 4557, 5133, 5487, 6223, 6293, 7493, 8673, 11049, 11811, 11977, 12803, 18669, 18879, 22479, 25781, 27559, 35931, 38409, 44051, 52451, 53041, 77343, 82677, 83839, 89621, 114173, 132153, 157353, 159123, 180467, 192913, 217297, 232283, 251517, 268863, 342519, 367157, 371287, 541401, 578739, 651891, 696849, 799211, 1101471, 1113861, 1521079, 1625981, 2397633, 2599009, 4563237, 4877943, 5594477, 6736207, 7797027, 10647553, 11381867, 16783431, 20208621, 31942659, 34145601, 47153449, 141460347, 330074143, 990222429]

約数ペア:

[(1, 990222429), (3, 330074143), (7, 141460347), (21, 47153449), (29, 34145601), (31, 31942659), (49, 20208621), (59, 16783431), (87, 11381867), (93, 10647553), (127, 7797027), (147, 6736207), (177, 5594477), (203, 4877943), (217, 4563237), (381, 2599009), (413, 2397633), (609, 1625981), (651, 1521079), (889, 1113861), (899, 1101471), (1239, 799211), (1421, 696849), (1519, 651891), (1711, 578739), (1829, 541401), (2667, 371287), (2697, 367157), (2891, 342519), (3683, 268863), (3937, 251517), (4263, 232283), (4557, 217297), (5133, 192913), (5487, 180467), (6223, 159123), (6293, 157353), (7493, 132153), (8673, 114173), (11049, 89621), (11811, 83839), (11977, 82677), (12803, 77343), (18669, 53041), (18879, 52451), (22479, 44051), (25781, 38409), (27559, 35931)]