788976921

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 1110786048

約数和(自身を除く): 321809127

約数列:

[1, 3, 47, 53, 71, 141, 159, 213, 1487, 2491, 3337, 3763, 4461, 7473, 10011, 11289, 69889, 78811, 105577, 176861, 209667, 236433, 316731, 530583, 3704117, 4962119, 5595581, 11112351, 14886357, 16786743, 262992307, 788976921]

約数ペア:

[(1, 788976921), (3, 262992307), (47, 16786743), (53, 14886357), (71, 11112351), (141, 5595581), (159, 4962119), (213, 3704117), (1487, 530583), (2491, 316731), (3337, 236433), (3763, 209667), (4461, 176861), (7473, 105577), (10011, 78811), (11289, 69889)]