8780457

素因数分解:

$3^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 14520384

約数和(自身を除く): 5739927

約数列:

[1, 3, 7, 21, 23, 49, 53, 69, 147, 159, 161, 343, 371, 483, 1029, 1113, 1127, 1219, 2401, 2597, 3381, 3657, 7203, 7791, 7889, 8533, 18179, 23667, 25599, 54537, 55223, 59731, 127253, 165669, 179193, 381759, 418117, 1254351, 2926819, 8780457]

約数ペア:

[(1, 8780457), (3, 2926819), (7, 1254351), (21, 418117), (23, 381759), (49, 179193), (53, 165669), (69, 127253), (147, 59731), (159, 55223), (161, 54537), (343, 25599), (371, 23667), (483, 18179), (1029, 8533), (1113, 7889), (1127, 7791), (1219, 7203), (2401, 3657), (2597, 3381)]