42090915

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 69120576

約数和(自身を除く): 27029661

約数列:

[1, 3, 5, 15, 61, 157, 183, 293, 305, 471, 785, 879, 915, 1465, 2355, 4395, 9577, 17873, 28731, 46001, 47885, 53619, 89365, 138003, 143655, 230005, 268095, 690015, 2806061, 8418183, 14030305, 42090915]

約数ペア:

[(1, 42090915), (3, 14030305), (5, 8418183), (15, 2806061), (61, 690015), (157, 268095), (183, 230005), (293, 143655), (305, 138003), (471, 89365), (785, 53619), (879, 47885), (915, 46001), (1465, 28731), (2355, 17873), (4395, 9577)]