28570425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29303}}^1$

素因数の和:29329

約数の個数: 24

約数和(自身を含む): 50871744

約数和(自身を除く): 22301319

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 29303, 87909, 146515, 380939, 439545, 732575, 1142817, 1904695, 2197725, 5714085, 9523475, 28570425]

約数ペア:

[(1, 28570425), (3, 9523475), (5, 5714085), (13, 2197725), (15, 1904695), (25, 1142817), (39, 732575), (65, 439545), (75, 380939), (195, 146515), (325, 87909), (975, 29303)]