28454205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3559}}^1$

素因数の和:3621

約数の個数: 32

約数和(自身を含む): 50238720

約数和(自身を除く): 21784515

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 3559, 7995, 10677, 17795, 46267, 53385, 138801, 145919, 231335, 437757, 694005, 729595, 1896947, 2188785, 5690841, 9484735, 28454205]

約数ペア:

[(1, 28454205), (3, 9484735), (5, 5690841), (13, 2188785), (15, 1896947), (39, 729595), (41, 694005), (65, 437757), (123, 231335), (195, 145919), (205, 138801), (533, 53385), (615, 46267), (1599, 17795), (2665, 10677), (3559, 7995)]