391130145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{907}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 797194944

約数和(自身を除く): 406064799

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 907, 1295, 1369, 1665, 2331, 2721, 3885, 4107, 4535, 6349, 6845, 8163, 9583, 11655, 12321, 13605, 19047, 20535, 28749, 31745, 33559, 40815, 47915, 57141, 61605, 86247, 95235, 100677, 143745, 167795, 234913, 285705, 302031, 431235, 503385, 704739, 1174565, 1241683, 1510155, 2114217, 3523695, 3725049, 6208415, 8691781, 10571085, 11175147, 18625245, 26075343, 43458905, 55875735, 78226029, 130376715, 391130145]

約数ペア:

[(1, 391130145), (3, 130376715), (5, 78226029), (7, 55875735), (9, 43458905), (15, 26075343), (21, 18625245), (35, 11175147), (37, 10571085), (45, 8691781), (63, 6208415), (105, 3725049), (111, 3523695), (185, 2114217), (259, 1510155), (315, 1241683), (333, 1174565), (555, 704739), (777, 503385), (907, 431235), (1295, 302031), (1369, 285705), (1665, 234913), (2331, 167795), (2721, 143745), (3885, 100677), (4107, 95235), (4535, 86247), (6349, 61605), (6845, 57141), (8163, 47915), (9583, 40815), (11655, 33559), (12321, 31745), (13605, 28749), (19047, 20535)]