222740259

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 349916160

約数和(自身を除く): 127175901

約数列:

[1, 3, 7, 21, 37, 111, 259, 439, 653, 777, 1317, 1959, 3073, 4571, 9219, 13713, 16243, 24161, 48729, 72483, 113701, 169127, 286667, 341103, 507381, 860001, 2006669, 6020007, 10606679, 31820037, 74246753, 222740259]

約数ペア:

[(1, 222740259), (3, 74246753), (7, 31820037), (21, 10606679), (37, 6020007), (111, 2006669), (259, 860001), (439, 507381), (653, 341103), (777, 286667), (1317, 169127), (1959, 113701), (3073, 72483), (4571, 48729), (9219, 24161), (13713, 16243)]