488190321

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 799500240

約数和(自身を除く): 311309919

約数列:

[1, 3, 9, 27, 29, 37, 41, 81, 87, 111, 123, 137, 261, 333, 369, 411, 783, 999, 1073, 1107, 1189, 1233, 1517, 2349, 2997, 3219, 3321, 3567, 3699, 3973, 4551, 5069, 5617, 9657, 10701, 11097, 11919, 13653, 15207, 16851, 28971, 32103, 35757, 40959, 43993, 45621, 50553, 86913, 96309, 107271, 122877, 131979, 136863, 147001, 151659, 162893, 207829, 321813, 395937, 410589, 441003, 454977, 488679, 623487, 1187811, 1323009, 1466037, 1870461, 3563433, 3969027, 4398111, 5611383, 6027041, 11907081, 13194333, 16834149, 18081123, 54243369, 162730107, 488190321]

約数ペア:

[(1, 488190321), (3, 162730107), (9, 54243369), (27, 18081123), (29, 16834149), (37, 13194333), (41, 11907081), (81, 6027041), (87, 5611383), (111, 4398111), (123, 3969027), (137, 3563433), (261, 1870461), (333, 1466037), (369, 1323009), (411, 1187811), (783, 623487), (999, 488679), (1073, 454977), (1107, 441003), (1189, 410589), (1233, 395937), (1517, 321813), (2349, 207829), (2997, 162893), (3219, 151659), (3321, 147001), (3567, 136863), (3699, 131979), (3973, 122877), (4551, 107271), (5069, 96309), (5617, 86913), (9657, 50553), (10701, 45621), (11097, 43993), (11919, 40959), (13653, 35757), (15207, 32103), (16851, 28971)]