28984215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7863

約数の個数: 32

約数和(自身を含む): 52577280

約数和(自身を除く): 23593065

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7823, 23469, 39115, 101699, 117345, 148637, 305097, 445911, 508495, 743185, 1525485, 1932281, 2229555, 5796843, 9661405, 28984215]

約数ペア:

[(1, 28984215), (3, 9661405), (5, 5796843), (13, 2229555), (15, 1932281), (19, 1525485), (39, 743185), (57, 508495), (65, 445911), (95, 305097), (195, 148637), (247, 117345), (285, 101699), (741, 39115), (1235, 23469), (3705, 7823)]