28878675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 55448832

約数和(自身を除く): 26570157

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 105, 175, 201, 335, 469, 525, 821, 1005, 1407, 1675, 2345, 2463, 4105, 5025, 5747, 7035, 11725, 12315, 17241, 20525, 28735, 35175, 55007, 61575, 86205, 143675, 165021, 275035, 385049, 431025, 825105, 1155147, 1375175, 1925245, 4125525, 5775735, 9626225, 28878675]

約数ペア:

[(1, 28878675), (3, 9626225), (5, 5775735), (7, 4125525), (15, 1925245), (21, 1375175), (25, 1155147), (35, 825105), (67, 431025), (75, 385049), (105, 275035), (175, 165021), (201, 143675), (335, 86205), (469, 61575), (525, 55007), (821, 35175), (1005, 28735), (1407, 20525), (1675, 17241), (2345, 12315), (2463, 11725), (4105, 7035), (5025, 5747)]