28493325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 59321600

約数和(自身を除く): 30828275

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 229, 237, 315, 395, 525, 553, 687, 711, 1145, 1185, 1575, 1603, 1659, 1975, 2061, 2765, 3435, 3555, 4809, 4977, 5725, 5925, 8015, 8295, 10305, 13825, 14427, 17175, 17775, 18091, 24045, 24885, 40075, 41475, 51525, 54273, 72135, 90455, 120225, 124425, 126637, 162819, 271365, 360675, 379911, 452275, 633185, 814095, 1139733, 1356825, 1899555, 3165925, 4070475, 5698665, 9497775, 28493325]

約数ペア:

[(1, 28493325), (3, 9497775), (5, 5698665), (7, 4070475), (9, 3165925), (15, 1899555), (21, 1356825), (25, 1139733), (35, 814095), (45, 633185), (63, 452275), (75, 379911), (79, 360675), (105, 271365), (175, 162819), (225, 126637), (229, 124425), (237, 120225), (315, 90455), (395, 72135), (525, 54273), (553, 51525), (687, 41475), (711, 40075), (1145, 24885), (1185, 24045), (1575, 18091), (1603, 17775), (1659, 17175), (1975, 14427), (2061, 13825), (2765, 10305), (3435, 8295), (3555, 8015), (4809, 5925), (4977, 5725)]