201388995

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 359673600

約数和(自身を除く): 158284605

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 199, 215, 387, 523, 597, 645, 995, 1569, 1791, 1935, 2615, 2985, 4707, 7845, 8557, 8955, 22489, 23535, 25671, 42785, 67467, 77013, 104077, 112445, 128355, 202401, 312231, 337335, 385065, 520385, 936693, 1012005, 1561155, 4475311, 4683465, 13425933, 22376555, 40277799, 67129665, 201388995]

約数ペア:

[(1, 201388995), (3, 67129665), (5, 40277799), (9, 22376555), (15, 13425933), (43, 4683465), (45, 4475311), (129, 1561155), (199, 1012005), (215, 936693), (387, 520385), (523, 385065), (597, 337335), (645, 312231), (995, 202401), (1569, 128355), (1791, 112445), (1935, 104077), (2615, 77013), (2985, 67467), (4707, 42785), (7845, 25671), (8557, 23535), (8955, 22489)]