308220861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 483969024

約数和(自身を除く): 175748163

約数列:

[1, 3, 13, 23, 39, 43, 61, 69, 129, 131, 183, 299, 393, 559, 793, 897, 989, 1403, 1677, 1703, 2379, 2623, 2967, 3013, 4209, 5109, 5633, 7869, 7991, 9039, 12857, 16899, 18239, 23973, 34099, 38571, 39169, 54717, 60329, 73229, 102297, 103883, 117507, 129559, 180987, 183793, 219687, 311649, 343613, 388677, 551379, 784277, 1030839, 1684267, 2352831, 2389309, 4466969, 5052801, 7167927, 7903099, 13400907, 23709297, 102740287, 308220861]

約数ペア:

[(1, 308220861), (3, 102740287), (13, 23709297), (23, 13400907), (39, 7903099), (43, 7167927), (61, 5052801), (69, 4466969), (129, 2389309), (131, 2352831), (183, 1684267), (299, 1030839), (393, 784277), (559, 551379), (793, 388677), (897, 343613), (989, 311649), (1403, 219687), (1677, 183793), (1703, 180987), (2379, 129559), (2623, 117507), (2967, 103883), (3013, 102297), (4209, 73229), (5109, 60329), (5633, 54717), (7869, 39169), (7991, 38571), (9039, 34099), (12857, 23973), (16899, 18239)]