25906215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5347}}^1$

素因数の和:5391

約数の個数: 32

約数和(自身を含む): 46206720

約数和(自身を除く): 20300505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 5347, 16041, 26735, 80205, 90899, 101593, 272697, 304779, 454495, 507965, 1363485, 1523895, 1727081, 5181243, 8635405, 25906215]

約数ペア:

[(1, 25906215), (3, 8635405), (5, 5181243), (15, 1727081), (17, 1523895), (19, 1363485), (51, 507965), (57, 454495), (85, 304779), (95, 272697), (255, 101593), (285, 90899), (323, 80205), (969, 26735), (1615, 16041), (4845, 5347)]