12147975

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{857}}^1$

素因数の和:886

約数の個数: 60

約数和(自身を含む): 25746864

約数和(自身を除く): 13598889

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 857, 945, 1575, 2025, 2571, 2835, 4285, 4725, 5999, 7713, 12855, 14175, 17997, 21425, 23139, 29995, 38565, 53991, 64275, 69417, 89985, 115695, 149975, 161973, 192825, 269955, 347085, 449925, 485919, 578475, 809865, 1349775, 1735425, 2429595, 4049325, 12147975]

約数ペア:

[(1, 12147975), (3, 4049325), (5, 2429595), (7, 1735425), (9, 1349775), (15, 809865), (21, 578475), (25, 485919), (27, 449925), (35, 347085), (45, 269955), (63, 192825), (75, 161973), (81, 149975), (105, 115695), (135, 89985), (175, 69417), (189, 64275), (225, 53991), (315, 38565), (405, 29995), (525, 23139), (567, 21425), (675, 17997), (857, 14175), (945, 12855), (1575, 7713), (2025, 5999), (2571, 4725), (2835, 4285)]