31779813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 16604187

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 499, 897, 923, 1497, 1633, 2769, 4899, 6487, 11477, 19461, 21229, 34431, 35429, 63687, 106287, 149201, 447603, 460577, 814867, 1381731, 2444601, 10593271, 31779813]

約数ペア:

[(1, 31779813), (3, 10593271), (13, 2444601), (23, 1381731), (39, 814867), (69, 460577), (71, 447603), (213, 149201), (299, 106287), (499, 63687), (897, 35429), (923, 34431), (1497, 21229), (1633, 19461), (2769, 11477), (4899, 6487)]