42721485

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 69856128

約数和(自身を除く): 27134643

約数列:

[1, 3, 5, 15, 101, 163, 173, 303, 489, 505, 519, 815, 865, 1515, 2445, 2595, 16463, 17473, 28199, 49389, 52419, 82315, 84597, 87365, 140995, 246945, 262095, 422985, 2848099, 8544297, 14240495, 42721485]

約数ペア:

[(1, 42721485), (3, 14240495), (5, 8544297), (15, 2848099), (101, 422985), (163, 262095), (173, 246945), (303, 140995), (489, 87365), (505, 84597), (519, 82315), (815, 52419), (865, 49389), (1515, 28199), (2445, 17473), (2595, 16463)]