71785287

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59971}}^1$

素因数の和:60003

約数の個数: 24

約数和(自身を含む): 124741760

約数和(自身を除く): 52956473

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 59971, 179913, 419797, 539739, 1139449, 1259391, 3418347, 3778173, 7976143, 10255041, 23928429, 71785287]

約数ペア:

[(1, 71785287), (3, 23928429), (7, 10255041), (9, 7976143), (19, 3778173), (21, 3418347), (57, 1259391), (63, 1139449), (133, 539739), (171, 419797), (399, 179913), (1197, 59971)]