38890815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 33685185

約数列:

[1, 3, 5, 15, 17, 19, 23, 51, 57, 69, 85, 95, 115, 255, 285, 323, 345, 349, 391, 437, 969, 1047, 1173, 1311, 1615, 1745, 1955, 2185, 4845, 5235, 5865, 5933, 6555, 6631, 7429, 8027, 17799, 19893, 22287, 24081, 29665, 33155, 37145, 40135, 88995, 99465, 111435, 112727, 120405, 136459, 152513, 338181, 409377, 457539, 563635, 682295, 762565, 1690905, 2046885, 2287695, 2592721, 7778163, 12963605, 38890815]

約数ペア:

[(1, 38890815), (3, 12963605), (5, 7778163), (15, 2592721), (17, 2287695), (19, 2046885), (23, 1690905), (51, 762565), (57, 682295), (69, 563635), (85, 457539), (95, 409377), (115, 338181), (255, 152513), (285, 136459), (323, 120405), (345, 112727), (349, 111435), (391, 99465), (437, 88995), (969, 40135), (1047, 37145), (1173, 33155), (1311, 29665), (1615, 24081), (1745, 22287), (1955, 19893), (2185, 17799), (4845, 8027), (5235, 7429), (5865, 6631), (5933, 6555)]