81253965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 150183936

約数和(自身を除く): 68929971

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 127, 193, 195, 221, 255, 381, 579, 635, 663, 965, 1105, 1651, 1905, 2159, 2509, 2895, 3281, 3315, 4953, 6477, 7527, 8255, 9843, 10795, 12545, 16405, 24511, 24765, 28067, 32385, 37635, 42653, 49215, 73533, 84201, 122555, 127959, 140335, 213265, 318643, 367665, 416687, 421005, 639795, 955929, 1250061, 1593215, 2083435, 4779645, 5416931, 6250305, 16250793, 27084655, 81253965]

約数ペア:

[(1, 81253965), (3, 27084655), (5, 16250793), (13, 6250305), (15, 5416931), (17, 4779645), (39, 2083435), (51, 1593215), (65, 1250061), (85, 955929), (127, 639795), (193, 421005), (195, 416687), (221, 367665), (255, 318643), (381, 213265), (579, 140335), (635, 127959), (663, 122555), (965, 84201), (1105, 73533), (1651, 49215), (1905, 42653), (2159, 37635), (2509, 32385), (2895, 28067), (3281, 24765), (3315, 24511), (4953, 16405), (6477, 12545), (7527, 10795), (8255, 9843)]