25141509

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 37957920

約数和(自身を除く): 12816411

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 659, 1413, 1977, 4239, 5931, 12717, 17793, 38151, 53379, 103463, 160137, 310389, 931167, 2793501, 8380503, 25141509]

約数ペア:

[(1, 25141509), (3, 8380503), (9, 2793501), (27, 931167), (81, 310389), (157, 160137), (243, 103463), (471, 53379), (659, 38151), (1413, 17793), (1977, 12717), (4239, 5931)]