261799995

素因数分解:

$3^1\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{6481}}^1$

素因数の和:9182

約数の個数: 16

約数和(自身を含む): 419100192

約数和(自身を除く): 157300197

約数列:

[1, 3, 5, 15, 2693, 6481, 8079, 13465, 19443, 32405, 40395, 97215, 17453333, 52359999, 87266665, 261799995]

約数ペア:

[(1, 261799995), (3, 87266665), (5, 52359999), (15, 17453333), (2693, 97215), (6481, 40395), (8079, 32405), (13465, 19443)]