27978795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{283}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 52721760

約数和(自身を除く): 24742965

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 283, 507, 585, 845, 849, 1415, 1521, 2197, 2535, 2547, 3679, 4245, 6591, 7605, 10985, 11037, 12735, 18395, 19773, 32955, 33111, 47827, 55185, 98865, 143481, 165555, 239135, 430443, 621751, 717405, 1865253, 2152215, 3108755, 5595759, 9326265, 27978795]

約数ペア:

[(1, 27978795), (3, 9326265), (5, 5595759), (9, 3108755), (13, 2152215), (15, 1865253), (39, 717405), (45, 621751), (65, 430443), (117, 239135), (169, 165555), (195, 143481), (283, 98865), (507, 55185), (585, 47827), (845, 33111), (849, 32955), (1415, 19773), (1521, 18395), (2197, 12735), (2535, 11037), (2547, 10985), (3679, 7605), (4245, 6591)]