55213431

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 91069440

約数和(自身を除く): 35856009

約数列:

[1, 3, 7, 13, 21, 39, 91, 263, 273, 769, 789, 1841, 2307, 3419, 5383, 5523, 9997, 10257, 16149, 23933, 29991, 69979, 71799, 202247, 209937, 606741, 1415729, 2629211, 4247187, 7887633, 18404477, 55213431]

約数ペア:

[(1, 55213431), (3, 18404477), (7, 7887633), (13, 4247187), (21, 2629211), (39, 1415729), (91, 606741), (263, 209937), (273, 202247), (769, 71799), (789, 69979), (1841, 29991), (2307, 23933), (3419, 16149), (5383, 10257), (5523, 9997)]