66661395

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 109933824

約数和(自身を除く): 43272429

約数列:

[1, 3, 5, 15, 43, 129, 181, 215, 543, 571, 645, 905, 1713, 2715, 2855, 7783, 8565, 23349, 24553, 38915, 73659, 103351, 116745, 122765, 310053, 368295, 516755, 1550265, 4444093, 13332279, 22220465, 66661395]

約数ペア:

[(1, 66661395), (3, 22220465), (5, 13332279), (15, 4444093), (43, 1550265), (129, 516755), (181, 368295), (215, 310053), (543, 122765), (571, 116745), (645, 103351), (905, 73659), (1713, 38915), (2715, 24553), (2855, 23349), (7783, 8565)]