57781215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1481}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 109193760

約数和(自身を除く): 51412545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 1481, 2295, 2601, 4335, 4443, 7405, 7803, 13005, 13329, 22215, 25177, 39015, 39987, 66645, 75531, 125885, 199935, 226593, 377655, 428009, 679779, 1132965, 1284027, 2140045, 3398895, 3852081, 6420135, 11556243, 19260405, 57781215]

約数ペア:

[(1, 57781215), (3, 19260405), (5, 11556243), (9, 6420135), (15, 3852081), (17, 3398895), (27, 2140045), (45, 1284027), (51, 1132965), (85, 679779), (135, 428009), (153, 377655), (255, 226593), (289, 199935), (459, 125885), (765, 75531), (867, 66645), (1445, 39987), (1481, 39015), (2295, 25177), (2601, 22215), (4335, 13329), (4443, 13005), (7405, 7803)]