25221255

素因数分解:

$3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1721}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 40418784

約数和(自身を除く): 15197529

約数列:

[1, 3, 5, 15, 977, 1721, 2931, 4885, 5163, 8605, 14655, 25815, 1681417, 5044251, 8407085, 25221255]

約数ペア:

[(1, 25221255), (3, 8407085), (5, 5044251), (15, 1681417), (977, 25815), (1721, 14655), (2931, 8605), (4885, 5163)]