1289339925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 2346349824

約数和(自身を除く): 1057009899

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 151, 181, 185, 255, 425, 453, 543, 555, 629, 755, 905, 925, 1275, 1887, 2265, 2567, 2715, 2775, 3077, 3145, 3775, 4525, 5587, 6697, 7701, 9231, 9435, 11325, 12835, 13575, 15385, 15725, 16761, 20091, 27331, 27935, 33485, 38505, 46155, 47175, 64175, 76925, 81993, 83805, 94979, 100455, 113849, 136655, 139675, 167425, 192525, 230775, 284937, 341547, 409965, 419025, 464627, 474895, 502275, 569245, 683275, 1011247, 1393881, 1424685, 1707735, 2049825, 2323135, 2374475, 2846225, 3033741, 5056235, 6969405, 7123425, 8538675, 11615675, 15168705, 17191199, 25281175, 34847025, 51573597, 75843525, 85955995, 257867985, 429779975, 1289339925]

約数ペア:

[(1, 1289339925), (3, 429779975), (5, 257867985), (15, 85955995), (17, 75843525), (25, 51573597), (37, 34847025), (51, 25281175), (75, 17191199), (85, 15168705), (111, 11615675), (151, 8538675), (181, 7123425), (185, 6969405), (255, 5056235), (425, 3033741), (453, 2846225), (543, 2374475), (555, 2323135), (629, 2049825), (755, 1707735), (905, 1424685), (925, 1393881), (1275, 1011247), (1887, 683275), (2265, 569245), (2567, 502275), (2715, 474895), (2775, 464627), (3077, 419025), (3145, 409965), (3775, 341547), (4525, 284937), (5587, 230775), (6697, 192525), (7701, 167425), (9231, 139675), (9435, 136655), (11325, 113849), (12835, 100455), (13575, 94979), (15385, 83805), (15725, 81993), (16761, 76925), (20091, 64175), (27331, 47175), (27935, 46155), (33485, 38505)]