1617975

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 60

約数和(自身を含む): 3240864

約数和(自身を除く): 1622889

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 47, 51, 75, 81, 85, 135, 141, 153, 225, 235, 255, 405, 423, 425, 459, 675, 705, 765, 799, 1175, 1269, 1275, 1377, 2025, 2115, 2295, 2397, 3525, 3807, 3825, 3995, 6345, 6885, 7191, 10575, 11475, 11985, 19035, 19975, 21573, 31725, 34425, 35955, 59925, 64719, 95175, 107865, 179775, 323595, 539325, 1617975]

約数ペア:

[(1, 1617975), (3, 539325), (5, 323595), (9, 179775), (15, 107865), (17, 95175), (25, 64719), (27, 59925), (45, 35955), (47, 34425), (51, 31725), (75, 21573), (81, 19975), (85, 19035), (135, 11985), (141, 11475), (153, 10575), (225, 7191), (235, 6885), (255, 6345), (405, 3995), (423, 3825), (425, 3807), (459, 3525), (675, 2397), (705, 2295), (765, 2115), (799, 2025), (1175, 1377), (1269, 1275)]