9975855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 8686545

約数列:

[1, 3, 5, 15, 17, 19, 29, 51, 57, 71, 85, 87, 95, 145, 213, 255, 285, 323, 355, 435, 493, 551, 969, 1065, 1207, 1349, 1479, 1615, 1653, 2059, 2465, 2755, 3621, 4047, 4845, 6035, 6177, 6745, 7395, 8265, 9367, 10295, 18105, 20235, 22933, 28101, 30885, 35003, 39121, 46835, 68799, 105009, 114665, 117363, 140505, 175015, 195605, 343995, 525045, 586815, 665057, 1995171, 3325285, 9975855]

約数ペア:

[(1, 9975855), (3, 3325285), (5, 1995171), (15, 665057), (17, 586815), (19, 525045), (29, 343995), (51, 195605), (57, 175015), (71, 140505), (85, 117363), (87, 114665), (95, 105009), (145, 68799), (213, 46835), (255, 39121), (285, 35003), (323, 30885), (355, 28101), (435, 22933), (493, 20235), (551, 18105), (969, 10295), (1065, 9367), (1207, 8265), (1349, 7395), (1479, 6745), (1615, 6177), (1653, 6035), (2059, 4845), (2465, 4047), (2755, 3621)]