28359825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 27886575

約数列:

[1, 3, 5, 13, 15, 17, 25, 29, 39, 51, 59, 65, 75, 85, 87, 145, 177, 195, 221, 255, 295, 325, 377, 425, 435, 493, 663, 725, 767, 885, 975, 1003, 1105, 1131, 1275, 1475, 1479, 1711, 1885, 2175, 2301, 2465, 3009, 3315, 3835, 4425, 5015, 5133, 5525, 5655, 6409, 7395, 8555, 9425, 11505, 12325, 13039, 15045, 16575, 19175, 19227, 22243, 25075, 25665, 28275, 29087, 32045, 36975, 39117, 42775, 57525, 65195, 66729, 75225, 87261, 96135, 111215, 128325, 145435, 160225, 195585, 325975, 333645, 378131, 436305, 480675, 556075, 727175, 977925, 1134393, 1668225, 1890655, 2181525, 5671965, 9453275, 28359825]

約数ペア:

[(1, 28359825), (3, 9453275), (5, 5671965), (13, 2181525), (15, 1890655), (17, 1668225), (25, 1134393), (29, 977925), (39, 727175), (51, 556075), (59, 480675), (65, 436305), (75, 378131), (85, 333645), (87, 325975), (145, 195585), (177, 160225), (195, 145435), (221, 128325), (255, 111215), (295, 96135), (325, 87261), (377, 75225), (425, 66729), (435, 65195), (493, 57525), (663, 42775), (725, 39117), (767, 36975), (885, 32045), (975, 29087), (1003, 28275), (1105, 25665), (1131, 25075), (1275, 22243), (1475, 19227), (1479, 19175), (1711, 16575), (1885, 15045), (2175, 13039), (2301, 12325), (2465, 11505), (3009, 9425), (3315, 8555), (3835, 7395), (4425, 6409), (5015, 5655), (5133, 5525)]