38431965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 42853155

約数列:

[1, 3, 5, 11, 13, 15, 19, 23, 33, 39, 41, 55, 57, 65, 69, 95, 115, 123, 143, 165, 195, 205, 209, 247, 253, 285, 299, 345, 429, 437, 451, 533, 615, 627, 715, 741, 759, 779, 897, 943, 1045, 1235, 1265, 1311, 1353, 1495, 1599, 2145, 2185, 2255, 2337, 2665, 2717, 2829, 3135, 3289, 3705, 3795, 3895, 4485, 4715, 4807, 5681, 5863, 6555, 6765, 7995, 8151, 8569, 9867, 10127, 10373, 11685, 12259, 13585, 14145, 14421, 16445, 17043, 17589, 17917, 24035, 25707, 28405, 29315, 30381, 31119, 36777, 40755, 42845, 49335, 50635, 51865, 53751, 61295, 62491, 72105, 85215, 87945, 89585, 111397, 128535, 134849, 151905, 155595, 183885, 187473, 197087, 232921, 268755, 312455, 334191, 404547, 556985, 591261, 674245, 698763, 937365, 985435, 1164605, 1670955, 2022735, 2562131, 2956305, 3493815, 7686393, 12810655, 38431965]

約数ペア:

[(1, 38431965), (3, 12810655), (5, 7686393), (11, 3493815), (13, 2956305), (15, 2562131), (19, 2022735), (23, 1670955), (33, 1164605), (39, 985435), (41, 937365), (55, 698763), (57, 674245), (65, 591261), (69, 556985), (95, 404547), (115, 334191), (123, 312455), (143, 268755), (165, 232921), (195, 197087), (205, 187473), (209, 183885), (247, 155595), (253, 151905), (285, 134849), (299, 128535), (345, 111397), (429, 89585), (437, 87945), (451, 85215), (533, 72105), (615, 62491), (627, 61295), (715, 53751), (741, 51865), (759, 50635), (779, 49335), (897, 42845), (943, 40755), (1045, 36777), (1235, 31119), (1265, 30381), (1311, 29315), (1353, 28405), (1495, 25707), (1599, 24035), (2145, 17917), (2185, 17589), (2255, 17043), (2337, 16445), (2665, 14421), (2717, 14145), (2829, 13585), (3135, 12259), (3289, 11685), (3705, 10373), (3795, 10127), (3895, 9867), (4485, 8569), (4715, 8151), (4807, 7995), (5681, 6765), (5863, 6555)]