208031805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1409}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 384050160

約数和(自身を除く): 176018355

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 193, 255, 579, 765, 965, 1409, 1737, 2895, 3281, 4227, 7045, 8685, 9843, 12681, 16405, 21135, 23953, 29529, 49215, 63405, 71859, 119765, 147645, 215577, 271937, 359295, 815811, 1077885, 1359685, 2447433, 4079055, 4622929, 12237165, 13868787, 23114645, 41606361, 69343935, 208031805]

約数ペア:

[(1, 208031805), (3, 69343935), (5, 41606361), (9, 23114645), (15, 13868787), (17, 12237165), (45, 4622929), (51, 4079055), (85, 2447433), (153, 1359685), (193, 1077885), (255, 815811), (579, 359295), (765, 271937), (965, 215577), (1409, 147645), (1737, 119765), (2895, 71859), (3281, 63405), (4227, 49215), (7045, 29529), (8685, 23953), (9843, 21135), (12681, 16405)]