28891473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 44728320

約数和(自身を除く): 15836847

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 897, 1039, 1209, 2139, 3117, 9269, 13507, 23897, 27807, 32209, 40521, 71691, 96627, 310661, 418717, 740807, 931983, 1256151, 2222421, 9630491, 28891473]

約数ペア:

[(1, 28891473), (3, 9630491), (13, 2222421), (23, 1256151), (31, 931983), (39, 740807), (69, 418717), (93, 310661), (299, 96627), (403, 71691), (713, 40521), (897, 32209), (1039, 27807), (1209, 23897), (2139, 13507), (3117, 9269)]