80347695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 136608768

約数和(自身を除く): 56261073

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 487, 647, 1461, 1941, 2435, 3235, 7305, 8279, 9705, 10999, 24837, 32997, 41395, 54995, 124185, 164985, 315089, 945267, 1575445, 4726335, 5356513, 16069539, 26782565, 80347695]

約数ペア:

[(1, 80347695), (3, 26782565), (5, 16069539), (15, 5356513), (17, 4726335), (51, 1575445), (85, 945267), (255, 315089), (487, 164985), (647, 124185), (1461, 54995), (1941, 41395), (2435, 32997), (3235, 24837), (7305, 10999), (8279, 9705)]