13263387

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 19845120

約数和(自身を除く): 6581733

約数列:

[1, 3, 19, 23, 57, 67, 69, 151, 201, 437, 453, 1273, 1311, 1541, 2869, 3473, 3819, 4623, 8607, 10117, 10419, 29279, 30351, 65987, 87837, 192223, 197961, 232691, 576669, 698073, 4421129, 13263387]

約数ペア:

[(1, 13263387), (3, 4421129), (19, 698073), (23, 576669), (57, 232691), (67, 197961), (69, 192223), (151, 87837), (201, 65987), (437, 30351), (453, 29279), (1273, 10419), (1311, 10117), (1541, 8607), (2869, 4623), (3473, 3819)]