15221193

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 8003127

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 239, 299, 717, 897, 923, 1633, 2769, 3107, 4899, 5497, 9321, 16491, 16969, 21229, 50907, 63687, 71461, 214383, 220597, 390287, 661791, 1170861, 5073731, 15221193]

約数ペア:

[(1, 15221193), (3, 5073731), (13, 1170861), (23, 661791), (39, 390287), (69, 220597), (71, 214383), (213, 71461), (239, 63687), (299, 50907), (717, 21229), (897, 16969), (923, 16491), (1633, 9321), (2769, 5497), (3107, 4899)]