31819281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 50211840

約数和(自身を除く): 18392559

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 1867, 5601, 5681, 17043, 24271, 35473, 42941, 72813, 106419, 128823, 461149, 558233, 815879, 1383447, 1674699, 2447637, 10606427, 31819281]

約数ペア:

[(1, 31819281), (3, 10606427), (13, 2447637), (19, 1674699), (23, 1383447), (39, 815879), (57, 558233), (69, 461149), (247, 128823), (299, 106419), (437, 72813), (741, 42941), (897, 35473), (1311, 24271), (1867, 17043), (5601, 5681)]