2099154447

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 3577728000

約数和(自身を除く): 1478573553

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 239, 247, 351, 439, 513, 717, 741, 1053, 1317, 1539, 2151, 2223, 3107, 3951, 4541, 5707, 6453, 6669, 8341, 9321, 11853, 13623, 17121, 19359, 20007, 25023, 27963, 35559, 40869, 51363, 59033, 75069, 83889, 104921, 108433, 122607, 154089, 177099, 225207, 251667, 314763, 325299, 367821, 462267, 531297, 675621, 944289, 975897, 1363973, 1593891, 1993499, 2832867, 2927691, 4091919, 4781673, 5980497, 8498601, 8783073, 12275757, 17941491, 25915487, 36827271, 53824473, 77746461, 110481813, 161473419, 233239383, 699718149, 2099154447]

約数ペア:

[(1, 2099154447), (3, 699718149), (9, 233239383), (13, 161473419), (19, 110481813), (27, 77746461), (39, 53824473), (57, 36827271), (81, 25915487), (117, 17941491), (171, 12275757), (239, 8783073), (247, 8498601), (351, 5980497), (439, 4781673), (513, 4091919), (717, 2927691), (741, 2832867), (1053, 1993499), (1317, 1593891), (1539, 1363973), (2151, 975897), (2223, 944289), (3107, 675621), (3951, 531297), (4541, 462267), (5707, 367821), (6453, 325299), (6669, 314763), (8341, 251667), (9321, 225207), (11853, 177099), (13623, 154089), (17121, 122607), (19359, 108433), (20007, 104921), (25023, 83889), (27963, 75069), (35559, 59033), (40869, 51363)]