72977515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 100650816

約数和(自身を除く): 27673301

約数列:

[1, 5, 13, 17, 65, 85, 211, 221, 313, 1055, 1105, 1565, 2743, 3587, 4069, 5321, 13715, 17935, 20345, 26605, 46631, 66043, 69173, 233155, 330215, 345865, 858559, 1122731, 4292795, 5613655, 14595503, 72977515]

約数ペア:

[(1, 72977515), (5, 14595503), (13, 5613655), (17, 4292795), (65, 1122731), (85, 858559), (211, 345865), (221, 330215), (313, 233155), (1055, 69173), (1105, 66043), (1565, 46631), (2743, 26605), (3587, 20345), (4069, 17935), (5321, 13715)]