7821411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 12192768

約数和(自身を除く): 4371357

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 251, 611, 663, 753, 799, 1833, 2397, 3263, 4267, 9789, 10387, 11797, 12801, 31161, 35391, 55471, 153361, 166413, 200549, 460083, 601647, 2607137, 7821411]

約数ペア:

[(1, 7821411), (3, 2607137), (13, 601647), (17, 460083), (39, 200549), (47, 166413), (51, 153361), (141, 55471), (221, 35391), (251, 31161), (611, 12801), (663, 11797), (753, 10387), (799, 9789), (1833, 4267), (2397, 3263)]