331446279

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 478720000

約数和(自身を除く): 147273721

約数列:

[1, 3, 19, 43, 57, 129, 271, 499, 813, 817, 1497, 2451, 5149, 9481, 11653, 15447, 21457, 28443, 34959, 64371, 135229, 221407, 405687, 407683, 664221, 1223049, 2569351, 5814847, 7708053, 17444541, 110482093, 331446279]

約数ペア:

[(1, 331446279), (3, 110482093), (19, 17444541), (43, 7708053), (57, 5814847), (129, 2569351), (271, 1223049), (499, 664221), (813, 407683), (817, 405687), (1497, 221407), (2451, 135229), (5149, 64371), (9481, 34959), (11653, 28443), (15447, 21457)]