81312195

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 132701184

約数和(自身を除く): 51388989

約数列:

[1, 3, 5, 15, 83, 241, 249, 271, 415, 723, 813, 1205, 1245, 1355, 3615, 4065, 20003, 22493, 60009, 65311, 67479, 100015, 112465, 195933, 300045, 326555, 337395, 979665, 5420813, 16262439, 27104065, 81312195]

約数ペア:

[(1, 81312195), (3, 27104065), (5, 16262439), (15, 5420813), (83, 979665), (241, 337395), (249, 326555), (271, 300045), (415, 195933), (723, 112465), (813, 100015), (1205, 67479), (1245, 65311), (1355, 60009), (3615, 22493), (4065, 20003)]