8221731

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 4841949

約数列:

[1, 3, 7, 21, 53, 83, 89, 159, 249, 267, 371, 581, 623, 1113, 1743, 1869, 4399, 4717, 7387, 13197, 14151, 22161, 30793, 33019, 51709, 92379, 99057, 155127, 391511, 1174533, 2740577, 8221731]

約数ペア:

[(1, 8221731), (3, 2740577), (7, 1174533), (21, 391511), (53, 155127), (83, 99057), (89, 92379), (159, 51709), (249, 33019), (267, 30793), (371, 22161), (581, 14151), (623, 13197), (1113, 7387), (1743, 4717), (1869, 4399)]