277430991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 397509120

約数和(自身を除く): 120078129

約数列:

[1, 3, 23, 53, 69, 107, 159, 321, 709, 1219, 2127, 2461, 3657, 5671, 7383, 16307, 17013, 37577, 48921, 75863, 112731, 130433, 227589, 391299, 864271, 1744849, 2592813, 4020739, 5234547, 12062217, 92476997, 277430991]

約数ペア:

[(1, 277430991), (3, 92476997), (23, 12062217), (53, 5234547), (69, 4020739), (107, 2592813), (159, 1744849), (321, 864271), (709, 391299), (1219, 227589), (2127, 130433), (2461, 112731), (3657, 75863), (5671, 48921), (7383, 37577), (16307, 17013)]