72135791

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 94129344

約数和(自身を除く): 21993553

約数列:

[1, 7, 13, 31, 49, 91, 169, 217, 281, 403, 637, 1183, 1519, 1967, 2821, 3653, 5239, 8281, 8711, 13769, 19747, 25571, 36673, 47489, 60977, 113243, 178997, 256711, 332423, 426839, 792701, 1472159, 2326961, 5548907, 10305113, 72135791]

約数ペア:

[(1, 72135791), (7, 10305113), (13, 5548907), (31, 2326961), (49, 1472159), (91, 792701), (169, 426839), (217, 332423), (281, 256711), (403, 178997), (637, 113243), (1183, 60977), (1519, 47489), (1967, 36673), (2821, 25571), (3653, 19747), (5239, 13769), (8281, 8711)]