320127561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 570810240

約数和(自身を除く): 250682679

約数列:

[1, 3, 9, 13, 17, 19, 39, 43, 51, 57, 117, 129, 153, 171, 197, 221, 247, 323, 387, 559, 591, 663, 731, 741, 817, 969, 1677, 1773, 1989, 2193, 2223, 2451, 2561, 2907, 3349, 3743, 4199, 5031, 6579, 7353, 7683, 8471, 9503, 10047, 10621, 11229, 12597, 13889, 23049, 25413, 28509, 30141, 31863, 33687, 37791, 41667, 43537, 48659, 63631, 76239, 85527, 95589, 110123, 125001, 130611, 144007, 145977, 160949, 180557, 190893, 330369, 391833, 432021, 437931, 482847, 541671, 572679, 827203, 991107, 1296063, 1448541, 1625013, 1872091, 2092337, 2481609, 2736133, 5616273, 6277011, 7444827, 8208399, 16848819, 18831033, 24625197, 35569729, 106709187, 320127561]

約数ペア:

[(1, 320127561), (3, 106709187), (9, 35569729), (13, 24625197), (17, 18831033), (19, 16848819), (39, 8208399), (43, 7444827), (51, 6277011), (57, 5616273), (117, 2736133), (129, 2481609), (153, 2092337), (171, 1872091), (197, 1625013), (221, 1448541), (247, 1296063), (323, 991107), (387, 827203), (559, 572679), (591, 541671), (663, 482847), (731, 437931), (741, 432021), (817, 391833), (969, 330369), (1677, 190893), (1773, 180557), (1989, 160949), (2193, 145977), (2223, 144007), (2451, 130611), (2561, 125001), (2907, 110123), (3349, 95589), (3743, 85527), (4199, 76239), (5031, 63631), (6579, 48659), (7353, 43537), (7683, 41667), (8471, 37791), (9503, 33687), (10047, 31863), (10621, 30141), (11229, 28509), (12597, 25413), (13889, 23049)]