13091455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 17902080

約数和(自身を除く): 4810625

約数列:

[1, 5, 13, 31, 65, 73, 89, 155, 365, 403, 445, 949, 1157, 2015, 2263, 2759, 4745, 5785, 6497, 11315, 13795, 29419, 32485, 35867, 84461, 147095, 179335, 201407, 422305, 1007035, 2618291, 13091455]

約数ペア:

[(1, 13091455), (5, 2618291), (13, 1007035), (31, 422305), (65, 201407), (73, 179335), (89, 147095), (155, 84461), (365, 35867), (403, 32485), (445, 29419), (949, 13795), (1157, 11315), (2015, 6497), (2263, 5785), (2759, 4745)]