81019035

素因数分解:

$3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 145995696

約数和(自身を除く): 64976661

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 251, 405, 753, 797, 1255, 2259, 2391, 3765, 3985, 6777, 7173, 11295, 11955, 20331, 21519, 33885, 35865, 64557, 101655, 107595, 200047, 322785, 600141, 1000235, 1800423, 3000705, 5401269, 9002115, 16203807, 27006345, 81019035]

約数ペア:

[(1, 81019035), (3, 27006345), (5, 16203807), (9, 9002115), (15, 5401269), (27, 3000705), (45, 1800423), (81, 1000235), (135, 600141), (251, 322785), (405, 200047), (753, 107595), (797, 101655), (1255, 64557), (2259, 35865), (2391, 33885), (3765, 21519), (3985, 20331), (6777, 11955), (7173, 11295)]