28648425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29383}}^1$

素因数の和:29409

約数の個数: 24

約数和(自身を含む): 51010624

約数和(自身を除く): 22362199

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 29383, 88149, 146915, 381979, 440745, 734575, 1145937, 1909895, 2203725, 5729685, 9549475, 28648425]

約数ペア:

[(1, 28648425), (3, 9549475), (5, 5729685), (13, 2203725), (15, 1909895), (25, 1145937), (39, 734575), (65, 440745), (75, 381979), (195, 146915), (325, 88149), (975, 29383)]