28976025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 52246656

約数和(自身を除く): 23270631

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 113, 195, 263, 325, 339, 565, 789, 975, 1315, 1469, 1695, 2825, 3419, 3945, 4407, 6575, 7345, 8475, 10257, 17095, 19725, 22035, 29719, 36725, 51285, 85475, 89157, 110175, 148595, 256425, 386347, 445785, 742975, 1159041, 1931735, 2228925, 5795205, 9658675, 28976025]

約数ペア:

[(1, 28976025), (3, 9658675), (5, 5795205), (13, 2228925), (15, 1931735), (25, 1159041), (39, 742975), (65, 445785), (75, 386347), (113, 256425), (195, 148595), (263, 110175), (325, 89157), (339, 85475), (565, 51285), (789, 36725), (975, 29719), (1315, 22035), (1469, 19725), (1695, 17095), (2825, 10257), (3419, 8475), (3945, 7345), (4407, 6575)]