47991279

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 75640320

約数和(自身を除く): 27649041

約数列:

[1, 3, 7, 21, 41, 123, 139, 287, 401, 417, 861, 973, 1203, 2807, 2919, 5699, 8421, 16441, 17097, 39893, 49323, 55739, 115087, 119679, 167217, 345261, 390173, 1170519, 2285299, 6855897, 15997093, 47991279]

約数ペア:

[(1, 47991279), (3, 15997093), (7, 6855897), (21, 2285299), (41, 1170519), (123, 390173), (139, 345261), (287, 167217), (401, 119679), (417, 115087), (861, 55739), (973, 49323), (1203, 39893), (2807, 17097), (2919, 16441), (5699, 8421)]