7887917619

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{157321}}^1$

素因数の和:157952

約数の個数: 20

約数和(自身を含む): 11802296440

約数和(自身を除く): 3914378821

約数列:

[1, 3, 9, 27, 81, 619, 1857, 5571, 16713, 50139, 157321, 471963, 1415889, 4247667, 12743001, 97381699, 292145097, 876435291, 2629305873, 7887917619]

約数ペア:

[(1, 7887917619), (3, 2629305873), (9, 876435291), (27, 292145097), (81, 97381699), (619, 12743001), (1857, 4247667), (5571, 1415889), (16713, 471963), (50139, 157321)]