1620004995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1699}}^1$

素因数の和:2729

約数の個数: 64

約数和(自身を含む): 3296640000

約数和(自身を除く): 1676635005

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1009, 1699, 3027, 5045, 5097, 7063, 8495, 9081, 11893, 15135, 15291, 21189, 25485, 27243, 35315, 35679, 45405, 45873, 59465, 63567, 76455, 105945, 107037, 136215, 178395, 190701, 229365, 317835, 321111, 535185, 953505, 1605555, 1714291, 5142873, 8571455, 12000037, 15428619, 25714365, 36000111, 46285857, 60000185, 77143095, 108000333, 180000555, 231429285, 324000999, 540001665, 1620004995]

約数ペア:

[(1, 1620004995), (3, 540001665), (5, 324000999), (7, 231429285), (9, 180000555), (15, 108000333), (21, 77143095), (27, 60000185), (35, 46285857), (45, 36000111), (63, 25714365), (105, 15428619), (135, 12000037), (189, 8571455), (315, 5142873), (945, 1714291), (1009, 1605555), (1699, 953505), (3027, 535185), (5045, 321111), (5097, 317835), (7063, 229365), (8495, 190701), (9081, 178395), (11893, 136215), (15135, 107037), (15291, 105945), (21189, 76455), (25485, 63567), (27243, 59465), (35315, 45873), (35679, 45405)]