207921285

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 429811200

約数和(自身を除く): 221889915

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 79, 99, 117, 143, 165, 195, 237, 395, 409, 429, 495, 585, 711, 715, 869, 1027, 1185, 1227, 1287, 2045, 2145, 2607, 3081, 3555, 3681, 4345, 4499, 5135, 5317, 6135, 6435, 7821, 9243, 11297, 13035, 13497, 15405, 15951, 18405, 22495, 26585, 32311, 33891, 39105, 40491, 46215, 47853, 56485, 58487, 67485, 79755, 96933, 101673, 161555, 169455, 175461, 202455, 239265, 290799, 292435, 355421, 420043, 484665, 508365, 526383, 877305, 1066263, 1260129, 1453995, 1777105, 2100215, 2631915, 3198789, 3780387, 4620473, 5331315, 6300645, 13861419, 15993945, 18901935, 23102365, 41584257, 69307095, 207921285]

約数ペア:

[(1, 207921285), (3, 69307095), (5, 41584257), (9, 23102365), (11, 18901935), (13, 15993945), (15, 13861419), (33, 6300645), (39, 5331315), (45, 4620473), (55, 3780387), (65, 3198789), (79, 2631915), (99, 2100215), (117, 1777105), (143, 1453995), (165, 1260129), (195, 1066263), (237, 877305), (395, 526383), (409, 508365), (429, 484665), (495, 420043), (585, 355421), (711, 292435), (715, 290799), (869, 239265), (1027, 202455), (1185, 175461), (1227, 169455), (1287, 161555), (2045, 101673), (2145, 96933), (2607, 79755), (3081, 67485), (3555, 58487), (3681, 56485), (4345, 47853), (4499, 46215), (5135, 40491), (5317, 39105), (6135, 33891), (6435, 32311), (7821, 26585), (9243, 22495), (11297, 18405), (13035, 15951), (13497, 15405)]