66778425

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 90

約数和(自身を含む): 144105918

約数和(自身を除く): 77327493

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 245, 315, 405, 441, 525, 567, 673, 675, 735, 945, 1225, 1323, 1575, 2019, 2025, 2205, 2835, 3365, 3675, 3969, 4711, 4725, 6057, 6615, 10095, 11025, 14133, 14175, 16825, 18171, 19845, 23555, 30285, 32977, 33075, 42399, 50475, 54513, 70665, 90855, 98931, 99225, 117775, 127197, 151425, 164885, 211995, 272565, 296793, 353325, 381591, 454275, 494655, 635985, 824425, 890379, 1059975, 1362825, 1483965, 1907955, 2473275, 2671137, 3179925, 4451895, 7419825, 9539775, 13355685, 22259475, 66778425]

約数ペア:

[(1, 66778425), (3, 22259475), (5, 13355685), (7, 9539775), (9, 7419825), (15, 4451895), (21, 3179925), (25, 2671137), (27, 2473275), (35, 1907955), (45, 1483965), (49, 1362825), (63, 1059975), (75, 890379), (81, 824425), (105, 635985), (135, 494655), (147, 454275), (175, 381591), (189, 353325), (225, 296793), (245, 272565), (315, 211995), (405, 164885), (441, 151425), (525, 127197), (567, 117775), (673, 99225), (675, 98931), (735, 90855), (945, 70665), (1225, 54513), (1323, 50475), (1575, 42399), (2019, 33075), (2025, 32977), (2205, 30285), (2835, 23555), (3365, 19845), (3675, 18171), (3969, 16825), (4711, 14175), (4725, 14133), (6057, 11025), (6615, 10095)]