28205325

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1954

約数の個数: 36

約数和(自身を含む): 51300288

約数和(自身を除く): 23094963

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1675, 1871, 3015, 5025, 5613, 9355, 15075, 16839, 28065, 46775, 84195, 125357, 140325, 376071, 420975, 626785, 1128213, 1880355, 3133925, 5641065, 9401775, 28205325]

約数ペア:

[(1, 28205325), (3, 9401775), (5, 5641065), (9, 3133925), (15, 1880355), (25, 1128213), (45, 626785), (67, 420975), (75, 376071), (201, 140325), (225, 125357), (335, 84195), (603, 46775), (1005, 28065), (1675, 16839), (1871, 15075), (3015, 9355), (5025, 5613)]