2688975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 5513040

約数和(自身を除く): 2824065

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 37, 45, 51, 57, 75, 85, 95, 111, 153, 171, 185, 225, 255, 285, 323, 333, 425, 475, 555, 629, 703, 765, 855, 925, 969, 1275, 1425, 1615, 1665, 1887, 2109, 2775, 2907, 3145, 3515, 3825, 4275, 4845, 5661, 6327, 8075, 8325, 9435, 10545, 11951, 14535, 15725, 17575, 24225, 28305, 31635, 35853, 47175, 52725, 59755, 72675, 107559, 141525, 158175, 179265, 298775, 537795, 896325, 2688975]

約数ペア:

[(1, 2688975), (3, 896325), (5, 537795), (9, 298775), (15, 179265), (17, 158175), (19, 141525), (25, 107559), (37, 72675), (45, 59755), (51, 52725), (57, 47175), (75, 35853), (85, 31635), (95, 28305), (111, 24225), (153, 17575), (171, 15725), (185, 14535), (225, 11951), (255, 10545), (285, 9435), (323, 8325), (333, 8075), (425, 6327), (475, 5661), (555, 4845), (629, 4275), (703, 3825), (765, 3515), (855, 3145), (925, 2907), (969, 2775), (1275, 2109), (1425, 1887), (1615, 1665)]