217677285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1499}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 432432000

約数和(自身を除く): 214754715

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 461, 1383, 1499, 2305, 3227, 4149, 4497, 6915, 7495, 9681, 10493, 13491, 16135, 20745, 22485, 29043, 31479, 48405, 52465, 67455, 94437, 145215, 157395, 472185, 691039, 2073117, 3455195, 4837273, 6219351, 10365585, 14511819, 24186365, 31096755, 43535457, 72559095, 217677285]

約数ペア:

[(1, 217677285), (3, 72559095), (5, 43535457), (7, 31096755), (9, 24186365), (15, 14511819), (21, 10365585), (35, 6219351), (45, 4837273), (63, 3455195), (105, 2073117), (315, 691039), (461, 472185), (1383, 157395), (1499, 145215), (2305, 94437), (3227, 67455), (4149, 52465), (4497, 48405), (6915, 31479), (7495, 29043), (9681, 22485), (10493, 20745), (13491, 16135)]