348801981

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 544427520

約数和(自身を除く): 195625539

約数列:

[1, 3, 11, 19, 33, 57, 103, 121, 209, 309, 363, 491, 627, 1133, 1473, 1957, 2299, 3399, 5401, 5871, 6897, 9329, 12463, 16203, 21527, 27987, 37389, 50573, 59411, 64581, 102619, 151719, 178233, 236797, 307857, 556303, 710391, 960887, 1128809, 1668909, 2882661, 3386427, 6119333, 10569757, 18357999, 31709271, 116267327, 348801981]

約数ペア:

[(1, 348801981), (3, 116267327), (11, 31709271), (19, 18357999), (33, 10569757), (57, 6119333), (103, 3386427), (121, 2882661), (209, 1668909), (309, 1128809), (363, 960887), (491, 710391), (627, 556303), (1133, 307857), (1473, 236797), (1957, 178233), (2299, 151719), (3399, 102619), (5401, 64581), (5871, 59411), (6897, 50573), (9329, 37389), (12463, 27987), (16203, 21527)]