28444995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 55632096

約数和(自身を除く): 27187101

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 103, 153, 171, 255, 285, 309, 323, 361, 515, 765, 855, 927, 969, 1083, 1545, 1615, 1751, 1805, 1957, 2907, 3249, 4635, 4845, 5253, 5415, 5871, 6137, 8755, 9785, 14535, 15759, 16245, 17613, 18411, 26265, 29355, 30685, 33269, 37183, 55233, 78795, 88065, 92055, 99807, 111549, 166345, 185915, 276165, 299421, 334647, 499035, 557745, 632111, 1497105, 1673235, 1896333, 3160555, 5688999, 9481665, 28444995]

約数ペア:

[(1, 28444995), (3, 9481665), (5, 5688999), (9, 3160555), (15, 1896333), (17, 1673235), (19, 1497105), (45, 632111), (51, 557745), (57, 499035), (85, 334647), (95, 299421), (103, 276165), (153, 185915), (171, 166345), (255, 111549), (285, 99807), (309, 92055), (323, 88065), (361, 78795), (515, 55233), (765, 37183), (855, 33269), (927, 30685), (969, 29355), (1083, 26265), (1545, 18411), (1615, 17613), (1751, 16245), (1805, 15759), (1957, 14535), (2907, 9785), (3249, 8755), (4635, 6137), (4845, 5871), (5253, 5415)]