80260755

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 130641984

約数和(自身を除く): 50381229

約数列:

[1, 3, 5, 15, 157, 173, 197, 471, 519, 591, 785, 865, 985, 2355, 2595, 2955, 27161, 30929, 34081, 81483, 92787, 102243, 135805, 154645, 170405, 407415, 463935, 511215, 5350717, 16052151, 26753585, 80260755]

約数ペア:

[(1, 80260755), (3, 26753585), (5, 16052151), (15, 5350717), (157, 511215), (173, 463935), (197, 407415), (471, 170405), (519, 154645), (591, 135805), (785, 102243), (865, 92787), (985, 81483), (2355, 34081), (2595, 30929), (2955, 27161)]