65947917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 40496883

約数列:

[1, 3, 7, 19, 21, 57, 133, 197, 399, 591, 839, 1379, 2517, 3743, 4137, 5873, 11229, 15941, 17619, 26201, 47823, 78603, 111587, 165283, 334761, 495849, 1156981, 3140377, 3470943, 9421131, 21982639, 65947917]

約数ペア:

[(1, 65947917), (3, 21982639), (7, 9421131), (19, 3470943), (21, 3140377), (57, 1156981), (133, 495849), (197, 334761), (399, 165283), (591, 111587), (839, 78603), (1379, 47823), (2517, 26201), (3743, 17619), (4137, 15941), (5873, 11229)]