131523405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 228715872

約数和(自身を除く): 97192467

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 307, 507, 845, 921, 1535, 2197, 2535, 3991, 4605, 6591, 10985, 11973, 19955, 28561, 32955, 51883, 59865, 85683, 142805, 155649, 259415, 428415, 674479, 778245, 2023437, 3372395, 8768227, 10117185, 26304681, 43841135, 131523405]

約数ペア:

[(1, 131523405), (3, 43841135), (5, 26304681), (13, 10117185), (15, 8768227), (39, 3372395), (65, 2023437), (169, 778245), (195, 674479), (307, 428415), (507, 259415), (845, 155649), (921, 142805), (1535, 85683), (2197, 59865), (2535, 51883), (3991, 32955), (4605, 28561), (6591, 19955), (10985, 11973)]