163311291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 286393536

約数和(自身を除く): 123082245

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 169, 227, 387, 429, 473, 507, 559, 681, 1287, 1419, 1521, 1677, 1859, 2043, 2497, 2951, 4257, 5031, 5577, 6149, 7267, 7491, 8853, 9761, 16731, 18447, 21801, 22473, 26559, 29283, 32461, 38363, 55341, 65403, 79937, 87849, 97383, 107371, 115089, 126893, 239811, 292149, 322113, 345267, 380679, 421993, 719433, 966339, 1142037, 1265979, 1395823, 1649609, 3797937, 4187469, 4948827, 12562407, 14846481, 18145699, 54437097, 163311291]

約数ペア:

[(1, 163311291), (3, 54437097), (9, 18145699), (11, 14846481), (13, 12562407), (33, 4948827), (39, 4187469), (43, 3797937), (99, 1649609), (117, 1395823), (129, 1265979), (143, 1142037), (169, 966339), (227, 719433), (387, 421993), (429, 380679), (473, 345267), (507, 322113), (559, 292149), (681, 239811), (1287, 126893), (1419, 115089), (1521, 107371), (1677, 97383), (1859, 87849), (2043, 79937), (2497, 65403), (2951, 55341), (4257, 38363), (5031, 32461), (5577, 29283), (6149, 26559), (7267, 22473), (7491, 21801), (8853, 18447), (9761, 16731)]