81596415

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 133949376

約数和(自身を除く): 52352961

約数列:

[1, 3, 5, 15, 53, 159, 197, 265, 521, 591, 795, 985, 1563, 2605, 2955, 7815, 10441, 27613, 31323, 52205, 82839, 102637, 138065, 156615, 307911, 414195, 513185, 1539555, 5439761, 16319283, 27198805, 81596415]

約数ペア:

[(1, 81596415), (3, 27198805), (5, 16319283), (15, 5439761), (53, 1539555), (159, 513185), (197, 414195), (265, 307911), (521, 156615), (591, 138065), (795, 102637), (985, 82839), (1563, 52205), (2605, 31323), (2955, 27613), (7815, 10441)]