17991129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 9878055

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 647, 713, 897, 1209, 1941, 2139, 8411, 9269, 14881, 20057, 25233, 27807, 44643, 60171, 193453, 260741, 461311, 580359, 782223, 1383933, 5997043, 17991129]

約数ペア:

[(1, 17991129), (3, 5997043), (13, 1383933), (23, 782223), (31, 580359), (39, 461311), (69, 260741), (93, 193453), (299, 60171), (403, 44643), (647, 27807), (713, 25233), (897, 20057), (1209, 14881), (1941, 9269), (2139, 8411)]