28230075

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3444

約数の個数: 36

約数和(自身を含む): 51945088

約数和(自身を除く): 23715013

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 3391, 8325, 10173, 16955, 30519, 50865, 84775, 125467, 152595, 254325, 376401, 627335, 762975, 1129203, 1882005, 3136675, 5646015, 9410025, 28230075]

約数ペア:

[(1, 28230075), (3, 9410025), (5, 5646015), (9, 3136675), (15, 1882005), (25, 1129203), (37, 762975), (45, 627335), (75, 376401), (111, 254325), (185, 152595), (225, 125467), (333, 84775), (555, 50865), (925, 30519), (1665, 16955), (2775, 10173), (3391, 8325)]