216479403

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{16927}}^1$

素因数の和:16976

約数の個数: 36

約数和(自身を含む): 376309440

約数和(自身を除く): 159830037

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 12789, 16927, 50781, 118489, 152343, 355467, 490883, 829423, 1066401, 1472649, 2488269, 3436181, 4417947, 7464807, 10308543, 24053267, 30925629, 72159801, 216479403]

約数ペア:

[(1, 216479403), (3, 72159801), (7, 30925629), (9, 24053267), (21, 10308543), (29, 7464807), (49, 4417947), (63, 3436181), (87, 2488269), (147, 1472649), (203, 1066401), (261, 829423), (441, 490883), (609, 355467), (1421, 152343), (1827, 118489), (4263, 50781), (12789, 16927)]