51777531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 85542912

約数和(自身を除く): 33765381

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 117, 207, 213, 271, 299, 639, 813, 897, 923, 1633, 2439, 2691, 2769, 3523, 4899, 6233, 8307, 10569, 14697, 18699, 19241, 21229, 31707, 56097, 57723, 63687, 81029, 173169, 191061, 243087, 250133, 442543, 729261, 750399, 1327629, 2251197, 3982887, 5753059, 17259177, 51777531]

約数ペア:

[(1, 51777531), (3, 17259177), (9, 5753059), (13, 3982887), (23, 2251197), (39, 1327629), (69, 750399), (71, 729261), (117, 442543), (207, 250133), (213, 243087), (271, 191061), (299, 173169), (639, 81029), (813, 63687), (897, 57723), (923, 56097), (1633, 31707), (2439, 21229), (2691, 19241), (2769, 18699), (3523, 14697), (4899, 10569), (6233, 8307)]